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ΓòÉΓòÉΓòÉ 1. Dynamic Data Exchange Classes ΓòÉΓòÉΓòÉ
Provide support for the Dynamic Data Exchange (DDE) used by the applications
you develop.
ΓòÉΓòÉΓòÉ 1.1. Class Hierarchy ΓòÉΓòÉΓòÉ
ISet
Γö£ΓöÇIDDEActiveServerSet
ΓööΓöÇIDDEClientHotLinkSet
IBase
Γö£ΓöÇIDDE
Γö£ΓöÇIDDEActiveServer
ΓööΓöÇIVBase
Γö£ΓöÇIEvent
Γöé Γö£ΓöÇIDDEBeginEvent
Γöé Γö£ΓöÇIDDEEndEvent
Γöé Γöé ΓööΓöÇIDDEClientEndEvent
Γöé ΓööΓöÇIDDEEvent
Γöé Γö£ΓöÇIDDEAcknowledgeEvent
Γöé Γöé Γö£ΓöÇIDDEAcknowledgeExecuteEvent
Γöé Γöé Γö£ΓöÇIDDEAcknowledgePokeEvent
Γöé Γöé Γö£ΓöÇIDDEClientAcknowledgeEvent
Γöé Γöé ΓööΓöÇIDDEServerAcknowledgeEvent
Γöé ΓööΓöÇIDDESetAcknowledgeInfoEvent
Γöé Γö£ΓöÇIDDEClientHotLinkEvent
Γöé Γö£ΓöÇIDDEDataEvent
Γöé Γö£ΓöÇIDDEExecuteEvent
Γöé Γö£ΓöÇIDDEPokeEvent
Γöé Γö£ΓöÇIDDERequestDataEvent
Γöé ΓööΓöÇIDDEServerHotLinkEvent
ΓööΓöÇIHandler
Γö£ΓöÇIDDEClientConversation
ΓööΓöÇIDDETopicServer
ΓòÉΓòÉΓòÉ 1.2. IDDE ΓòÉΓòÉΓòÉ
Description
Derivation
Public Functions
Public Data
Protected Data
Nested Types
Public Data includes Styles and Notification IDs if they exist.
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDE ΓòÉΓòÉΓòÉ
IBase
Γöé
IDDE
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDE ΓòÉΓòÉΓòÉ
iddecomm.hpp
This class contains synonyms for DDE formats that are pre-defined by the
operating system.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDE ΓòÉΓòÉΓòÉ
Inherited Members
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDE - DDE Text Formats ΓòÉΓòÉΓòÉ
Dynamic Data Exchange formats that the class library supports.
ΓòÉΓòÉΓòÉ <hidden> Public Data - IDDE ΓòÉΓòÉΓòÉ
DDE Text Formats
bitmapFormat
codepageTextFormat
dibFormat
difFormat
displayBitmapFormat
displayMetafileFormat
displayMetafilePictureFormat
displayTextFormat
linkFormat
metafileFormat
metafilePictureFormat
oemTextFormat
paletteFormat
sylkFormat
textFormat
tiffFormat
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDE ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.2.1. IDDE::bitmapFormat ΓòÉΓòÉΓòÉ
The layout of this format is a BITMAPINFO2 structure.
public:
static Format const bitmapFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.2. IDDE::codepageTextFormat ΓòÉΓòÉΓòÉ
This format consists of a CPTEXT structure, where the text portion of the
structure must be in IDDE::textFormat format. The format allows applications
to exchange text in a particular codepage.
public:
static Format const codepageTextFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.3. IDDE::dibFormat ΓòÉΓòÉΓòÉ
This format consists of a DIB structure.
public:
static Format const dibFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.4. IDDE::difFormat ΓòÉΓòÉΓòÉ
This format represents the Data Interchange Format which was developed by
Software Arts and is used to transfer data to a Visicalc spreadsheet program.
public:
static Format const difFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.5. IDDE::displayBitmapFormat ΓòÉΓòÉΓòÉ
The layout of this format is identical to that of the IDDE::bitmapFormat
format. This format is the bitmap representation of a private data format.
public:
static Format const displayBitmapFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.6. IDDE::displayMetafileFormat ΓòÉΓòÉΓòÉ
The layout of this format is identical to that of the IDDE::metafileFormat
format. This format is the metafile representation of a private data format.
public:
static Format const displayMetafileFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.7. IDDE::displayMetafilePictureFormat ΓòÉΓòÉΓòÉ
The layout of this format is identical to that of the
IDDE::metafilePictureFormat format. This format is the metafile picture
representation of a private data format.
public:
static Format const displayMetafilePictureFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.8. IDDE::displayTextFormat ΓòÉΓòÉΓòÉ
The layout of this format is identical to that of the textFormat format. It is
the textual format of a private data format.
public:
static Format const displayTextFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.9. IDDE::linkFormat ΓòÉΓòÉΓòÉ
This format contains information needed to establish a DDE hot link. It is
typically used in paste-link operations where the clipboard is being used to
exchange information. The layout of the link format is:
applicationName(0x00)topicName(0x00)itemName(0x00)(0x00).
public:
static Format const linkFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.10. IDDE::metafileFormat ΓòÉΓòÉΓòÉ
This format contains the bits retrieved via the GpiQueryMetafileBits function.
public:
static Format const metafileFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.11. IDDE::metafilePictureFormat ΓòÉΓòÉΓòÉ
This layout of this format consists of an MFP structure. It includes the
information provided in the IDDE::metafileFormat format, with additional
information defining the metafile bits.
public:
static Format const metafilePictureFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.12. IDDE::oemTextFormat ΓòÉΓòÉΓòÉ
The layout of this format is identical to that of the IDDE::textFormat format.
This format indicates that the text has been created using codpage 437 which is
the U.S.-ENGLISH codepage.
public:
static Format const oemTextFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.13. IDDE::paletteFormat ΓòÉΓòÉΓòÉ
This format consists of a PALETTEINFO structure.
public:
static Format const paletteFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.2.14. IDDE::sylkFormat ΓòÉΓòÉΓòÉ
This format represents the Symbolic Link format developed by Microsoft Corp.,
which is used to exchange spreadsheets in an ASCI text format.
public:
static Format const sylkFormat;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.2.15. IDDE::textFormat ΓòÉΓòÉΓòÉ
This is a NULL (0x00) terminated ANSI character string. The string can
contain a carriage return (0x0D) and/or a line-feed character (0x0A) to mark
the end of a line.
public:
static Format const textFormat;
Platform Support
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ΓòÉΓòÉΓòÉ 1.2.16. IDDE::tiffFormat ΓòÉΓòÉΓòÉ
This format represents the Tag Image File Format which was developed by
Microsoft, Aldus, and Hewlett-Packard for describing bitmapped data.
public:
static Format const tiffFormat;
Platform Support
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ΓòÉΓòÉΓòÉ <hidden> Nested Types - IDDE ΓòÉΓòÉΓòÉ
Type Definitions
Format
ΓòÉΓòÉΓòÉ <hidden> Type Definition - IDDE::Format ΓòÉΓòÉΓòÉ
typedef const char * Format;
This is a synonym for the pre-defined DDE formats.
ΓòÉΓòÉΓòÉ 1.3. IDDEAcknowledgeEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEAcknowledgeEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDEAcknowledgeEvent
Inherited by:
IDDEAcknowledgeExecuteEvent
IDDEAcknowledgePokeEvent
IDDEClientAcknowledgeEvent
IDDEServerAcknowledgeEvent
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEAcknowledgeEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEAcknowledgeEvent class is the base class for the Dynamic Data Exchange
(DDE) acknowledge event information classes.
An object of this class or one of its subclasses is created when an
IDDEClientConversation object or IDDETopicServer object needs to pass
acknowledgment information to the client or server application. You do not
construct objects of this class. See IDDEClientConversation and IDDETopicServer
for information about those classes.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEAcknowledgeEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEAcknowledgeEvent
~IDDEAcknowledgeEvent
Event Information
applicationSpecificData
isAckPositive
isApplicationBusy
isMessageUnderstood
Inherited Members
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEAcknowledgeEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer or IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEAcknowledgeEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query information about an acknowledgment.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEAcknowledgeEvent ΓòÉΓòÉΓòÉ
Event Information
transactionType
Inherited Members
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEAcknowledgeEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.3.1. IDDEAcknowledgeEvent::applicationSpecificData ΓòÉΓòÉΓòÉ
Returns any application-specific data that has been provided by the conversing
application.
public:
unsigned char applicationSpecificData() const;
Platform Support
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ΓòÉΓòÉΓòÉ 1.3.2. IDDEAcknowledgeEvent::IDDEAcknowledgeEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer or IDDEClientConversation objects.
public:
IDDEAcknowledgeEvent(const IEvent& ddeEvent);
Platform Support
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ΓòÉΓòÉΓòÉ 1.3.3. IDDEAcknowledgeEvent::isAckPositive ΓòÉΓòÉΓòÉ
Returns true if the acknowledgment is positive; otherwise, it returns false.
public:
Boolean isAckPositive() const;
Platform Support
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.3.4. IDDEAcknowledgeEvent::isApplicationBusy ΓòÉΓòÉΓòÉ
Returns true if the application busy flag is on; otherwise, it returns false.
This is only set for a negative acknowledgment.
public:
Boolean isApplicationBusy() const;
Platform Support
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.3.5. IDDEAcknowledgeEvent::isMessageUnderstood ΓòÉΓòÉΓòÉ
Returns false if the message not understood flag is on; otherwise, it returns
true. This is only set for a negative acknowledgment.
public:
Boolean isMessageUnderstood() const;
Platform Support
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.3.6. IDDEAcknowledgeEvent::transactionType ΓòÉΓòÉΓòÉ
Returns the event ID.
protected:
unsigned short transactionType() const;
Platform Support
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ΓòÉΓòÉΓòÉ 1.3.7. IDDEAcknowledgeEvent::~IDDEAcknowledgeEvent ΓòÉΓòÉΓòÉ
public:
~IDDEAcknowledgeEvent();
Platform Support
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ΓòÉΓòÉΓòÉ 1.4. IDDEAcknowledgeExecuteEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEAcknowledgeExecuteEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDEAcknowledgeEvent
Γöé
IDDEAcknowledgeExecuteEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEAcknowledgeExecuteEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEAcknowledgeExecuteEvent class provides event information to a client
application regarding an acknowledgment of an executeCommands request.
An object of this class is created when an IDDEClientConversation object needs
to pass information to the client application about an acknowledgment resulting
from an IDDEClientConversation::executeCommands request. You do not construct
objects of this class. See IDDEClientConversation and executeCommands for
information about that class and function.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEAcknowledgeExecuteEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEAcknowledgeExecuteEvent
~IDDEAcknowledgeExecuteEvent
Event Information
commands
Inherited Members
IDDEAcknowledgeEvent
applicationSpecificData
isAckPositive
isApplicationBusy
isMessageUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEAcknowledgeExecuteEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEAcknowledgeExecuteEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query information about the command string you sent to the
DDE server application.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEAcknowledgeExecuteEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEAcknowledgeEvent
transactionType
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEAcknowledgeExecuteEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.4.1. IDDEAcknowledgeExecuteEvent::commands ΓòÉΓòÉΓòÉ
Returns the command string that the client asked the server application to
execute.
Note: The IDDEAcknowledgeExecuteEvent::commands function's IString is
constructed from a void* and length. For character strings, if the terminating
NULL is included in the length, it is in the buffer. Before performing string
operations such as concatenation on this string, use IString::stripTrailing to
strip any trailing NULL character.
See IString and stripTrailing for information about that class and function.
public:
IString commands() const;
Platform Support
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ΓòÉΓòÉΓòÉ 1.4.2. IDDEAcknowledgeExecuteEvent::IDDEAcknowledgeExecuteEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
public:
IDDEAcknowledgeExecuteEvent(const IEvent& ddeEvent);
Platform Support
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ΓòÉΓòÉΓòÉ 1.4.3. IDDEAcknowledgeExecuteEvent::~IDDEAcknowledgeExecuteEvent ΓòÉΓòÉΓòÉ
public:
~IDDEAcknowledgeExecuteEvent();
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.5. IDDEAcknowledgePokeEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEAcknowledgePokeEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDEAcknowledgeEvent
Γöé
IDDEAcknowledgePokeEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEAcknowledgePokeEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEAcknowledgePokeEvent class provides event information to a client
application regarding an acknowledgment to a IDDEClientConversation::pokeData
request.
An object of this class is created when an IDDEClientConversation object needs
to pass information to the client application about an acknowledgment resulting
from a pokeData request. You do not construct objects of this class. See
IDDEClientConversation and pokeData for information about that class and
function.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEAcknowledgePokeEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEAcknowledgePokeEvent
~IDDEAcknowledgePokeEvent
Event Information
pokedData
Inherited Members
IDDEAcknowledgeEvent
applicationSpecificData
isAckPositive
isApplicationBusy
isMessageUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEAcknowledgePokeEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEAcknowledgePokeEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query information about the data you sent to the DDE
server application.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEAcknowledgePokeEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEAcknowledgeEvent
transactionType
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEAcknowledgePokeEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.5.1. IDDEAcknowledgePokeEvent::IDDEAcknowledgePokeEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
public:
IDDEAcknowledgePokeEvent(const IEvent& ddeEvent);
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.5.2. IDDEAcknowledgePokeEvent::pokedData ΓòÉΓòÉΓòÉ
Returns the data that the client asked the server application to set.
Note: The IDDEAcknowledgePokeEvent::pokedData function's IString is
constructed from a void* and length. For character strings, if the terminating
NULL is included in the length, it is in the buffer. Before performing string
operations such as concatenation on this string, use IString::stripTrailing to
strip any trailing NULL character.
See IString and stripTrailing for information about that class and function.
public:
IString pokedData() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.5.3. IDDEAcknowledgePokeEvent::~IDDEAcknowledgePokeEvent ΓòÉΓòÉΓòÉ
public:
~IDDEAcknowledgePokeEvent();
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.6. IDDEActiveServer ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEActiveServer ΓòÉΓòÉΓòÉ
IBase
Γöé
IDDEActiveServer
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEActiveServer ΓòÉΓòÉΓòÉ
iddecset.hpp
The IDDEActiveServer class holds information about a Dynamic Data Exchange
(DDE) server application and a particular topic the server application
supports.
Objects of this class are created to provide information about possible
conversations when one of the two broadcast functions,
IDDEClientConversation::supportedTopics or
IDDEClientConversation::supportingApplications, is called.
IDDEClientConversation objects create objects of this class, which are not
intended to be created by application programmers. See IDDEClientConversation,
supportedTopics, or supportingApplications for more information.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEActiveServer ΓòÉΓòÉΓòÉ
Constructors
IDDEActiveServer
~IDDEActiveServer
Server Attributes
application
isCaseSensitive
topic
Inherited Members
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEActiveServer - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEActiveServer - Server Attributes ΓòÉΓòÉΓòÉ
Use these members to query information about a DDE server application.
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEActiveServer ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.6.1. IDDEActiveServer::application ΓòÉΓòÉΓòÉ
Returns the name of the server application.
public:
IString application() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.6.2. IDDEActiveServer::IDDEActiveServer ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
public:
IDDEActiveServer( const char* applicationName,
const char* topicName,
Boolean caseSensitive);
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.6.3. IDDEActiveServer::isCaseSensitive ΓòÉΓòÉΓòÉ
Returns true if the server enforces case sensitivity; otherwise, it returns
false.
public:
Boolean isCaseSensitive() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.6.4. IDDEActiveServer::topic ΓòÉΓòÉΓòÉ
Returns the name of the topic supported by the server.
public:
IString topic() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.6.5. IDDEActiveServer::~IDDEActiveServer ΓòÉΓòÉΓòÉ
public:
~IDDEActiveServer();
Platform Support
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ΓòÉΓòÉΓòÉ 1.7. IDDEActiveServerSet ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEActiveServerSet ΓòÉΓòÉΓòÉ
ISet
Γöé
IDDEActiveServerSet
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEActiveServerSet ΓòÉΓòÉΓòÉ
iddecset.hpp
The IDDEActiverServerSet class is a set created using the ISet template class.
The set contains pointers to IDDEActiveServer objects. See IDDEActiveServer for
information about that class.
An application creates an object of this class to use with the
IDDEClientConversation::supportingApplications or
IDDEClientConversation::supportedTopics function to hold the current set of
active servers. If you remove individual elements of this set, delete the
IDDEActiveServer object to which the element points or the memory is not
recovered. See supportingApplications and supportedTopics for information about
those functions.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEActiveServerSet ΓòÉΓòÉΓòÉ
Constructors
IDDEActiveServerSet
~IDDEActiveServerSet
ΓòÉΓòÉΓòÉ <hidden> IDDEActiveServerSet - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class.
ΓòÉΓòÉΓòÉ <hidden> IDDEActiveServerSet - Hidden Members ΓòÉΓòÉΓòÉ
These functions are placed in the private section of the class to prevent you
from using them.
ΓòÉΓòÉΓòÉ 1.7.1. IDDEActiveServerSet::IDDEActiveServerSet ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class.
public:
IDDEActiveServerSet();
You can construct an object of this class using the default constructor, which
does not accept any arguments.
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.7.2. IDDEActiveServerSet::~IDDEActiveServerSet ΓòÉΓòÉΓòÉ
This function removes all the elements from the set, and deletes them.
public:
~IDDEActiveServerSet();
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.8. IDDEBeginEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEBeginEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEBeginEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEBeginEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEBeginEvent class provides event information to a server application
when a client has asked the server to begin a conversation.
An object of this class is created when an IDDETopicServer object needs to pass
an acceptConversation request to the server application. You do not construct
objects of this class. See IDDETopicServer and acceptConversation for
information about that class and function.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEBeginEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEBeginEvent
~IDDEBeginEvent
Event Attributes
application
setCaseSensitive
topic
Inherited Members
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEBeginEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEBeginEvent - Event Attributes ΓòÉΓòÉΓòÉ
Use these members to query information about the requested conversation and to
set the case sensitivity of the conversation, if it is accepted.
ΓòÉΓòÉΓòÉ <hidden> IDDEBeginEvent - Hidden Members ΓòÉΓòÉΓòÉ
These functions are placed in the private section of the class to prevent
objects of this class from being copied.
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEBeginEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.8.1. IDDEBeginEvent::application ΓòÉΓòÉΓòÉ
Returns the name of the requested application.
public:
IString application() const;
Platform Support
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ΓòÉΓòÉΓòÉ 1.8.2. IDDEBeginEvent::IDDEBeginEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
public:
IDDEBeginEvent(const IEvent& ddeBeginEvent);
Platform Support
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ΓòÉΓòÉΓòÉ 1.8.3. IDDEBeginEvent::setCaseSensitive ΓòÉΓòÉΓòÉ
Sets the case-sensitive flag to true. The server application should set this
flag if it enforces case sensitivity.
public:
IDDEBeginEvent& setCaseSensitive(Boolean caseSensitive);
Platform Support
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ΓòÉΓòÉΓòÉ 1.8.4. IDDEBeginEvent::topic ΓòÉΓòÉΓòÉ
Returns the name of the requested topic.
public:
IString topic() const;
Platform Support
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.8.5. IDDEBeginEvent::~IDDEBeginEvent ΓòÉΓòÉΓòÉ
public:
~IDDEBeginEvent();
Platform Support
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ΓòÉΓòÉΓòÉ 1.9. IDDEClientAcknowledgeEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEClientAcknowledgeEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDEAcknowledgeEvent
Γöé
IDDEClientAcknowledgeEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEClientAcknowledgeEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEClientAcknowledgeEvent class provides event information to a client
application regarding an acknowledgment from a server.
An object of this class or one of its subclasses is created when an
IDDEClientConversation object needs to pass information about an acknowledgment
to the client application. You do not construct objects of this class. See
IDDEClientConversation for information about that class.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEClientAcknowledgeEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEClientAcknowledgeEvent
~IDDEClientAcknowledgeEvent
Event Information
isAckToBeginHotLink
isAckToEndHotLink
isAckToRequestData
Inherited Members
IDDEAcknowledgeEvent
applicationSpecificData
isAckPositive
isApplicationBusy
isMessageUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEClientAcknowledgeEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientAcknowledgeEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query information about the type of the event that the
acknowledgment is for.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEClientAcknowledgeEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEAcknowledgeEvent
transactionType
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEClientAcknowledgeEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.9.1. IDDEClientAcknowledgeEvent::IDDEClientAcknowledgeEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
public:
IDDEClientAcknowledgeEvent(const IEvent& ddeEvent);
Platform Support
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ΓòÉΓòÉΓòÉ 1.9.2. IDDEClientAcknowledgeEvent::isAckToBeginHotLink ΓòÉΓòÉΓòÉ
Returns true if the acknowledgment is in response to
IDDEClientConversation::beginHotLink being called; otherwise, it returns false.
See beginHotLink for information about that member.
public:
Boolean isAckToBeginHotLink() const;
Platform Support
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ΓòÉΓòÉΓòÉ 1.9.3. IDDEClientAcknowledgeEvent::isAckToEndHotLink ΓòÉΓòÉΓòÉ
Returns true if the acknowledgment is in response to
IDDEClientConversation::endHotLink being called; otherwise, it returns false.
See endHotLink for information about that member.
public:
Boolean isAckToEndHotLink() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.9.4. IDDEClientAcknowledgeEvent::isAckToRequestData ΓòÉΓòÉΓòÉ
Returns true if the acknowledgment is in response to
IDDEClientConversation::requestData being called; otherwise, it returns false.
See requestData for information about that member.
public:
Boolean isAckToRequestData() const;
Platform Support
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ΓòÉΓòÉΓòÉ 1.9.5. IDDEClientAcknowledgeEvent::~IDDEClientAcknowledgeEvent ΓòÉΓòÉΓòÉ
public:
~IDDEClientAcknowledgeEvent();
Platform Support
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ΓòÉΓòÉΓòÉ 1.10. IDDEClientConversation ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEClientConversation ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IHandler
Γöé
IDDEClientConversation
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEClientConversation ΓòÉΓòÉΓòÉ
iddeccnv.hpp
The IDDEClientConversation class adds Dynamic Data Exchange (DDE) client
function to an application.
Create an object of this class for each conversation you want to initiate with
a server application. The object manages all window, shared memory, and atom
table processing. When a conversation with a server ends, the
IDDEClientConversation object can initiate another conversation with that
server or any other server. An object of this class can find all topics
supported by all DDE server applications on the system.
This class uses a window to communicate; therefore, window message processing
must occur. This means that ICurrentThread::processMsgs must be called. There
are several ways for this to occur. Normally, this is accomplished by calling
IApplication::current().run(). See processMsgs, current, and run for
information about those members.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEClientConversation ΓòÉΓòÉΓòÉ
Broadcasts
supportedTopics
supportingApplications
Constructors
IDDEClientConversation
~IDDEClientConversation
Conversation Information
application
clientHandle
inConversation
isCaseSensitive
outstandingTransactionCount
topic
Conversation Initiation and Termination
begin
end
Hot Link Information
hotLinkCount
hotLinks
Transactions
beginHotLink
endHotLink
endHotLinks
executeCommands
pokeData
requestData
Inherited Members
IHandler
asDebugInfo
asString
disable
enable
handleEventsFor
isEnabled
stopHandlingEventsFor
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Broadcasts ΓòÉΓòÉΓòÉ
Use these members to query information about the topics supported by the
currently active DDE server applications.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Constructors ΓòÉΓòÉΓòÉ
You can construct objects of this class in two ways. Both constructors have a
Boolean argument, useEventThread. This argument is optional but is also highly
recommended if the application must do any extensive processing or interacts
with the user during any of the callback functions. Specifying true allows
IDDEClientConversation to create a secondary thread to process incoming events.
This prevents problems with window message processing because the thread is
created without a message queue. If you specify false, no secondary thread is
created and you should return promptly from all callback functions.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Conversation Information ΓòÉΓòÉΓòÉ
Use these members to obtain the attributes of this object, including
information about the conversation if there is one currently active.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Conversation Initiation and Termination ΓòÉΓòÉΓòÉ
Use these members to begin and end conversations with DDE server applications.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Event Dispatching ΓòÉΓòÉΓòÉ
Event dispatching members process events sent by the DDE server application.
The dispatchHandlerEvent function is called whenever an event is sent to this
object, and it calls one of the other appropriate members in this object to
actually process the event.
Typically, you do not need to override any of these members. If you want to
provide some additional behavior before or after the event is processed, make
sure that you call the IDDEClientConversation version of the member or
unpredictable results can occur and the conversation may not be able to process
further events from the DDE server application. You may need to override one
of these members if the server application sends a DDE message not supported by
the DDE protocol at that particular point in the conversation. You may need to
do this because the IDDEClientConversation object throws these invalid events
away.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Event Processing ΓòÉΓòÉΓòÉ
Event-processing members are called to provide you with information when events
are received from the DDE server application. To obtain the information
provided by any of these virtual members, you must derive from this class and
override the members. All of the members, except for the data member which is
pure virtual, have default implementations so that you only need to override
the members that provide information you wish to process.
If you specify true for the useEventThread parameter of the
IDDEClientConversation constructor, all of these members are invoked on a
secondary thread.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Hidden Members ΓòÉΓòÉΓòÉ
These functions are placed in the private section of the class to prevent you
from copying objects of this class.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Hot Link Information ΓòÉΓòÉΓòÉ
Use these members to obtain information about the hot links currently active in
this object.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Miscellaneous Implementation ΓòÉΓòÉΓòÉ
The IDDEClientConversation object uses these members to provide portions of its
implementation. Typically you do not need to override these members.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientConversation - Transactions ΓòÉΓòÉΓòÉ
Use these members to send transactions to the DDE server application. Most of
them accept a string that identifies the format in which the data is rendered.
The default is IDDE::textFormat, which specifies text format. Formats are
standardized by various vendors, who describe them in their operating system or
application documentation.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEClientConversation ΓòÉΓòÉΓòÉ
Event Dispatching
dispatchHandlerEvent
handleAck
handleData
handleInitiateAck
handleTerminate
Event Processing
acknowledged
conversationEnded
data
executeAcknowledged
hotLinkInform
pokeAcknowledged
Miscellaneous Implementation
endAllHotLinks
findTransaction
Inherited Members
IHandler
defaultProcedure
dispatchHandlerEvent
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEClientConversation ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.10.1. IDDEClientConversation::acknowledged ΓòÉΓòÉΓòÉ
Provides generic acknowledgment from the server to a client initiated
transaction. To get information provided by this function, provide a
specialized implementation in the subclass.
A positive acknowledgment can be sent in response to an
IDDEClientConversation::beginHotLink or IDDEClientConversation::endHotLink
member. A negative acknowledgment can be sent in response to the same two
members, as well as to an IDDEClientConversation::requestData member.
See beginHotLink, endHotLink, and requestData for information about those
members.
If true is specified for the useEventThread argument of the
IDDEClientConversation constructor, this member is called on a secondary
thread.
protected:
virtual void
acknowledged( IDDEClientAcknowledgeEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.2. IDDEClientConversation::application ΓòÉΓòÉΓòÉ
Returns the name of the server application with which the client is conversing.
public:
IString application() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.3. IDDEClientConversation::begin ΓòÉΓòÉΓòÉ
Attempts to initiate a conversation with the requested server application on
the requested topic. The primary version of this overloaded member accepts the
name of the requested application and topic as input and returns true if the
conversation is successfully begun; otherwise it returns false. The version
that accepts a server handle is provided along with the
IDDEClientConversation::clientHandle member to allow an object of this class to
converse with a server without engaging in the normal conversation
initialization.
See clientHandle for information about that function.
Overload 1
public:
virtual Boolean
begin( const char* applicationName,
const char* topicName);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidParameter ΓöéThe applicationName or topicName Γöé
Γöé Γöéparameter is NULL or has a zero length. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidRequest ΓöéThe object is already in conversation Γöé
Γöé Γöéwith another application. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThe operating system request to begin a Γöé
Γöé Γöéconversation failed. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Client Sample: aclient.cpp
Overload 2
public:
virtual IDDEClientConversation&
begin( const IWindowHandle& serverHandle);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidParameter ΓöéThe server window handle is not valid. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidRequest ΓöéThe object is already in conversation Γöé
Γöé Γöéwith another application. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.4. IDDEClientConversation::beginHotLink ΓòÉΓòÉΓòÉ
Requests the server to send a notification every time the value of the item
changes. If the sendData argument is true, the data is sent with the
notification in the requested format. If the pacing argument is true, the
server is asked to wait for an acknowledgment from the client before sending a
subsequent notification.
This function accepts a format string that identifies the format in which the
data is rendered. The default is IDDE::textFormat, which specifies the text
format.
Formats are standardized by various vendors, who describe them in their
operating system or application documentation.
public:
virtual IDDEClientConversation&
beginHotLink( const char* item,
IDDE::Format format = IDDE::textFormat,
Boolean sendData = true,
Boolean pacing = false);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidRequest ΓöéThe object is not in conversation with aΓöé
Γöé Γöéserver application, or a hot link for Γöé
Γöé Γöéthis item and format is already active Γöé
Γöé Γöéor pending. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidParameter ΓöéThe item or format parameter is NULL or Γöé
Γöé Γöéhas a zero length. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThe operating system request to post theΓöé
Γöé ΓöéDDE message to the server application Γöé
Γöé Γöéfailed. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Client Sample: aclient.cpp
ΓòÉΓòÉΓòÉ 1.10.5. IDDEClientConversation::clientHandle ΓòÉΓòÉΓòÉ
Returns the window handle of the client conversation. This is provided, along
with the IDDEClientConversation::begin member, to allow an object of this class
to converse with a server without engaging in the normal conversation
initialization.
See begin for information about that member.
public:
IWindowHandle clientHandle() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.6. IDDEClientConversation::conversationEnded ΓòÉΓòÉΓòÉ
Notifies the client that the conversation is ending or ended. The conversation
end can be initiated by either the client or the server, and can also be caused
by an error condition in the IDDEClientConversation.
protected:
virtual void conversationEnded(IDDEClientEndEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.7. IDDEClientConversation::data ΓòÉΓòÉΓòÉ
Provides data sent from the server. To get information provided by this member,
provide a specialized implementation in the subclass.
The data can be from an active hot link or as the result of the
IDDEClientConversation::requestData member being called. See requestData for
information about that member.
If the server has requested an acknowledgment, the IDDEClientConversation
object uses the return value from this member to determine whether to send a
positive or negative acknowledgment. If the data is for a valid item and in the
correct format, return true; otherwise, return false.
If true is specified for the useEventThread argument of the
IDDEClientConversation constructor, this member is called on a secondary
thread.
This member is pure virtual and must be overridden.
protected:
virtual Boolean data(IDDEDataEvent& event) = 0;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.8. IDDEClientConversation::dispatchHandlerEvent ΓòÉΓòÉΓòÉ
Calls the appropriate virtual member if a DDE client conversation event is
found.
protected:
virtual Boolean dispatchHandlerEvent(IEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIOutOfSystemResourceΓöéThe operating system request to write toΓöé
Γöé Γöéa queue failed. See the text of the Γöé
Γöé Γöéexception for further information. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThis function has been called Γöé
Γöé Γöérecursively, possibly violating DDE Γöé
Γöé Γöésynchronization rules. Either constructΓöé
Γöé Γöéthis object with useEventThread=true, orΓöé
Γöé Γöéavoid displaying dialog boxes in the Γöé
Γöé Γöéevent callback functions. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.9. IDDEClientConversation::end ΓòÉΓòÉΓòÉ
Ends the current conversation.
public:
virtual IDDEClientConversation& end();
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidRequest ΓöéThe object is not in conversation with aΓöé
Γöé Γöéserver application. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Client Sample: aclient.cpp
ΓòÉΓòÉΓòÉ 1.10.10. IDDEClientConversation::endAllHotLinks ΓòÉΓòÉΓòÉ
Called by the IDDEClientConversation::endHotLinks function to update hot link
instance data when one or more hot links are ending. The first version of this
overloaded member is called when all hot links on an item are ending. The other
version, which accepts no arguments, is used when all hot links are ending.
See endHotLinks for information about that member.
Overload 1
protected:
virtual void endAllHotLinks();
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIAccessError ΓöéThe operating system request to post theΓöé
Γöé ΓöéDDE message to the server application Γöé
Γöé Γöéfailed. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidRequest ΓöéThere are no active hot links, or an Γöé
Γöé ΓöéendHotLinks() request for all hot links Γöé
Γöé Γöéis pending. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Overload 2
protected:
virtual void endAllHotLinks(const char* item);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidParameter ΓöéThe item parameter has a zero length. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThe operating system request to post theΓöé
Γöé ΓöéDDE message to the server application Γöé
Γöé Γöéfailed. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidRequest ΓöéThere are no active hot links for this Γöé
Γöé Γöéitem, or an endHotLinks() request for Γöé
Γöé Γöéthis item is pending. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.11. IDDEClientConversation::endHotLink ΓòÉΓòÉΓòÉ
Requests the server to end a hot link on the specified item and format. This
member accepts a format string that identifies the format in which the data is
rendered. The default is IDDE::textFormat, which specifies the text format.
Formats are standardized by various vendors, who describe them in their
operating system or application documentation.
public:
virtual IDDEClientConversation&
endHotLink( const char* item,
IDDE::Format format = IDDE::textFormat);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidRequest ΓöéThe object is not in conversation with aΓöé
Γöé Γöéserver application, there is no hot linkΓöé
Γöé Γöéfor this item and format, or an Γöé
Γöé ΓöéendHotLink(s) request for this item and Γöé
Γöé Γöéformat is pending. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidParameter ΓöéThe item or format parameter is NULL or Γöé
Γöé Γöéhas a zero length. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThe operating system request to post theΓöé
Γöé ΓöéDDE message to the server application Γöé
Γöé Γöéfailed. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.12. IDDEClientConversation::endHotLinks ΓòÉΓòÉΓòÉ
Requests the server to end one or more hot links. If the item argument is
specified, the server is requested to end all hot links on the item in all
formats. If no arguments are provided, the server is requested to end all hot
links on all items in all formats.
public:
virtual IDDEClientConversation&
endHotLinks( const char* item = 0);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidRequest ΓöéThe object is not in conversation with aΓöé
Γöé Γöéserver application. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Client Sample: aclient.cpp
ΓòÉΓòÉΓòÉ 1.10.13. IDDEClientConversation::executeAcknowledged ΓòÉΓòÉΓòÉ
Positive or negative acknowledgment from the server as the result of the
IDDEClientConversation::executeCommands member being called. To get information
provided by this member, provide a specialized implementation in the subclass.
See executeCommands for information about that member.
If true is specified for the useEventThread argument of the
IDDEClientConversation constructor, this member is called on a secondary
thread.
protected:
virtual void
executeAcknowledged( IDDEAcknowledgeExecuteEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.14. IDDEClientConversation::executeCommands ΓòÉΓòÉΓòÉ
Requests the server to execute one or more commands.
public:
virtual IDDEClientConversation&
executeCommands( const void* commands,
unsigned long commandLength);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidRequest ΓöéThe object is not in conversation with aΓöé
Γöé Γöéserver application. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidParameter ΓöéThe commands or commandLength parameter Γöé
Γöé Γöéis NULL. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThe operating system request to post theΓöé
Γöé ΓöéDDE message to the server application Γöé
Γöé Γöéfailed. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.15. IDDEClientConversation::findTransaction ΓòÉΓòÉΓòÉ
Called by any of the handle members, such as IDDEClientConversation::handleAck
and IDDEClientConversation::handleData, when it is suspected that the server is
not sending acknowledgments when it should. If this member determines that the
suspicion is correct, it simulates acknowledgments for the transactions that
are waiting for these acknowledgments.
protected:
virtual Boolean
findTransaction( const IEvent& event,
Boolean removeMatch = false);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.16. IDDEClientConversation::handleAck ΓòÉΓòÉΓòÉ
Handles acknowledgments from server applications.
protected:
virtual void handleAck(const IEvent& ackEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.17. IDDEClientConversation::handleData ΓòÉΓòÉΓòÉ
Handles data sent from server applications.
protected:
virtual void handleData(const IEvent& dataEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.18. IDDEClientConversation::handleInitiateAck ΓòÉΓòÉΓòÉ
Handles acknowledgments from server applications to begin requests.
protected:
virtual void
handleInitiateAck( const IEvent& initiateAckEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.19. IDDEClientConversation::handleTerminate ΓòÉΓòÉΓòÉ
Handles IDDETopicServer::endConversation requests from server applications.
See endConversation for information about that member.
protected:
virtual void handleTerminate(const IEvent& terminateEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.20. IDDEClientConversation::hotLinkCount ΓòÉΓòÉΓòÉ
Returns a count of the number of hot links.
public:
unsigned long hotLinkCount() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.21. IDDEClientConversation::hotLinkInform ΓòÉΓòÉΓòÉ
Notifies the client that the value of an item in the server for which the
client has a hot link has changed. To get information provided by this member,
provide a specialized implementation in the subclass.
If the server has requested an acknowledgment, the IDDEClientConversation
object uses the return value from this member to determine whether to send a
positive or negative acknowledgment. If the client has an active hot link for
this item and has requested that only notifications be sent, return true;
otherwise, return false. The default behavior is to return true.
If true is specified for the useEventThread argument of the IDDETopicServer
constructor, this member is called on a secondary thread.
protected:
virtual Boolean
hotLinkInform( IDDEClientHotLinkEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.22. IDDEClientConversation::hotLinks ΓòÉΓòÉΓòÉ
Adds all item and format pairs for which hot links have been established to the
IDDEClientHotLinkSet passed in.
Note: Include the iddecset.hpp header file when you use this function.
See IDDEClientHotLinkSet for information about that class.
public:
IDDEClientConversation&
hotLinks( IDDEClientHotLinkSet& hotLinkSet);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.23. IDDEClientConversation::IDDEClientConversation ΓòÉΓòÉΓòÉ
You can construct objects of this class in two ways. Both constructors have a
Boolean argument, useEventThread. This argument is optional but is also highly
recommended if the application must do any extensive processing or interacts
with the user during any of the callback functions. Specifying true allows
IDDEClientConversation to create a secondary thread to process incoming events.
This prevents problems with window message processing because the thread is
created without a message queue. If you specify false, no secondary thread is
created and you should return promptly from all callback functions.
Overload 1
public:
IDDEClientConversation(Boolean useEventThread = true);
This constructor initializes the object but does not start a conversation.
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIOutOfSystemResourceΓöéThe operating system request for either Γöé
Γöé Γöéan event semaphore or a queue failed. Γöé
Γöé ΓöéSee the text of the exception for Γöé
Γöé Γöéfurther information. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Overload 2
public:
IDDEClientConversation( const char* applicationName,
const char* topicName,
Boolean useEventThread = true);
This constructor accepts the following arguments and attempts to begin a
conversation with the requested server application on the requested topic:
The name of the server application with which a conversation is desired
The name of the topic about which a conversation is desired
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIOutOfSystemResourceΓöéThe operating system request for either Γöé
Γöé Γöéan event semaphore or a queue failed. Γöé
Γöé ΓöéSee the text of the exception for Γöé
Γöé Γöéfurther information. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.24. IDDEClientConversation::inConversation ΓòÉΓòÉΓòÉ
Returns true if the client is currently in conversation with a server;
otherwise, it returns false.
public:
Boolean inConversation() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.25. IDDEClientConversation::isCaseSensitive ΓòÉΓòÉΓòÉ
Returns true if the server has indicated it enforces case sensitivity;
otherwise it returns false.
public:
Boolean isCaseSensitive() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.26. IDDEClientConversation::outstandingTransactionCount ΓòÉΓòÉΓòÉ
Returns the number of transactions initiated by the client to which the server
has not responded.
public:
unsigned long outstandingTransactionCount() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.27. IDDEClientConversation::pokeAcknowledged ΓòÉΓòÉΓòÉ
Positive or negative acknowledgment from the server as the result of the
IDDEClientConversation::pokeData member being called. To get information
provided by this member, provide a specialized implementation in the subclass.
If true is specified for the useEventThread argument of the IDDETopicServer
constructor, this member is called on a secondary thread.
See pokeData and IDDETopicServer for information about that member and class.
protected:
virtual void
pokeAcknowledged( IDDEAcknowledgePokeEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.28. IDDEClientConversation::pokeData ΓòÉΓòÉΓòÉ
Requests the server to set the specified item to the value of the data
provided. This function accepts a format string that identifies the format in
which the data is rendered. The default is IDDE::textFormat, which specifies
the text format.
Formats are standardized by various vendors, who describe them in their
operating system or application documentation.
public:
virtual IDDEClientConversation&
pokeData( const char* item,
const void* data,
unsigned long dataLength,
IDDE::Format format = IDDE::textFormat);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidRequest ΓöéThe object is not in conversation with aΓöé
Γöé Γöéserver application. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidParameter ΓöéEither the item, format, or data Γöé
Γöé Γöéparameter is NULL, or the item or formatΓöé
Γöé Γöéparameter has a zero length. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThe operating system request to post theΓöé
Γöé ΓöéDDE message to the server application Γöé
Γöé Γöéfailed. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Client Sample: aclient.cpp
ΓòÉΓòÉΓòÉ 1.10.29. IDDEClientConversation::requestData ΓòÉΓòÉΓòÉ
Requests the value of the item rendered in the specified format from the
server. This function accepts a format string that identifies the format in
which the data is rendered. The default is IDDE::textFormat, which specifies
the text format.
Formats are standardized by various vendors, who describe them in their
operating system or application documentation.
public:
virtual IDDEClientConversation&
requestData( const char* item,
IDDE::Format format = IDDE::textFormat);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidRequest ΓöéThe object is not in conversation with aΓöé
Γöé Γöéserver application. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidParameter ΓöéThe item or format parameter is NULL or Γöé
Γöé Γöéhas a zero length. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThe operating system request to post theΓöé
Γöé ΓöéDDE message to the server application Γöé
Γöé Γöéfailed. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Client Sample: aclient.cpp
ΓòÉΓòÉΓòÉ 1.10.30. IDDEClientConversation::supportedTopics ΓòÉΓòÉΓòÉ
Adds IDDEActiveServer objects that represent topics supported by DDE server
applications to the IDDEActiveServerSet passed in as the first argument. If the
applicationName argument is specified, only the topics supported by that
application are added to the set. The default is to add all topics supported by
all server applications.
Note: Include the iddecset.hpp header file when you use this function.
See IDDEActiveServer and IDDEActiveServerSet for information about those
classes.
public:
virtual IDDEClientConversation&
supportedTopics( IDDEActiveServerSet& activeServerSet,
const char* applicationName = 0);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.31. IDDEClientConversation::supportingApplications ΓòÉΓòÉΓòÉ
Adds IDDEActiveServer objects that represent DDE server applications that
support the specified topic to the IDDEActiveServerSet passed in as the first
argument.
Note: Include the iddecset.hpp header file when you use this function.
See IDDEActiveServer and IDDEActiveServerSet for information about those
classes.
public:
virtual IDDEClientConversation&
supportingApplications( IDDEActiveServerSet& activeServerSet,
const char* topicName);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidParameter ΓöéThe topicName parameter is NULL. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.32. IDDEClientConversation::topic ΓòÉΓòÉΓòÉ
Returns the name of the topic about which the client is conversing.
public:
IString topic() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.10.33. IDDEClientConversation::~IDDEClientConversation ΓòÉΓòÉΓòÉ
The destructor ends the conversation with the DDE server application if there
is one active.
public:
virtual ~IDDEClientConversation();
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.11. IDDEClientEndEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEClientEndEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEndEvent
Γöé
IDDEClientEndEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEClientEndEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEClientEndEvent class provides event information to a client application
when a conversation is ended or ending.
An object of this class is created when an IDDEClientConversation object needs
to notify the application that a conversation is ending or ended. You do not
construct objects of this class. See IDDEClientConversation for information
about that class.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEClientEndEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEClientEndEvent
~IDDEClientEndEvent
Event Information
application
topic
Inherited Members
IDDEEndEvent
sourceOfEnd
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEClientEndEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientEndEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query information about the conversation that is ending.
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEClientEndEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.11.1. IDDEClientEndEvent::application ΓòÉΓòÉΓòÉ
Returns the name of the server application for the conversation that is ending
or ended.
public:
IString application() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Client Sample: aclient.cpp
ΓòÉΓòÉΓòÉ 1.11.2. IDDEClientEndEvent::IDDEClientEndEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDEClientConversation objects.
public:
IDDEClientEndEvent( const IEvent& ddeEvent,
Source endSource,
IString application,
IString topic);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.11.3. IDDEClientEndEvent::topic ΓòÉΓòÉΓòÉ
Returns the name of the topic supported by the conversation that is ending or
ended.
public:
IString topic() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Client Sample: aclient.cpp
ΓòÉΓòÉΓòÉ 1.11.4. IDDEClientEndEvent::~IDDEClientEndEvent ΓòÉΓòÉΓòÉ
public:
~IDDEClientEndEvent();
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
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ΓòÉΓòÉΓòÉ 1.12. IDDEClientHotLinkEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEClientHotLinkEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDESetAcknowledgeInfoEvent
Γöé
IDDEClientHotLinkEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEClientHotLinkEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEClientHotLinkEvent class provides information to a client application
when a hot link item change notification is sent by a server application.
An object of this class is created when an IDDEClientConversation object needs
to pass a hot link notification to the client application. An object of this
class for each active hot link is also kept in a set by IDDEClientConversation
objects to keep track of active hot links. You do not construct objects of this
class. See IDDEClientConversation for information about that class.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEClientHotLinkEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEClientHotLinkEvent
~IDDEClientHotLinkEvent
Event Information
isAckRequested
isDataRequested
Inherited Members
IDDESetAcknowledgeInfoEvent
setApplicationBusy
setApplicationSpecificData
setMessageNotUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEClientHotLinkEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are usually created and deleted for you
by IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientHotLinkEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query information about the hot link event.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEClientHotLinkEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEClientHotLinkEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.12.1. IDDEClientHotLinkEvent::IDDEClientHotLinkEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are usually created and deleted for you
by IDDEClientConversation objects.
Overload 1
public:
IDDEClientHotLinkEvent(const IEvent& ddeEvent);
Platform Support
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Overload 2
public:
IDDEClientHotLinkEvent( const IDDEClientHotLinkEvent& ddeEvent);
Platform Support
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ΓòÉΓòÉΓòÉ 1.12.2. IDDEClientHotLinkEvent::isAckRequested ΓòÉΓòÉΓòÉ
Returns true if the server has requested an acknowledgment of receipt of the
notification. The IDDEClientConversation object automatically sends the
acknowledgment when it is requested.
See IDDEClientConversation for information about that class.
public:
Boolean isAckRequested() const;
Platform Support
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ΓòÉΓòÉΓòÉ 1.12.3. IDDEClientHotLinkEvent::isDataRequested ΓòÉΓòÉΓòÉ
Returns true if the hot link is a data hot link. False is returned if it is a
notification hot link. This function is only pertinent for objects of this
class used to keep track of active hot links (contained in an
IDDEClientHotLinkSet object). All other objects of this class are created for
notifications sent by non-data hot links.
See IDDEClientHotLinkSet for information about that class.
public:
Boolean isDataRequested() const;
Platform Support
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ΓòÉΓòÉΓòÉ 1.12.4. IDDEClientHotLinkEvent::~IDDEClientHotLinkEvent ΓòÉΓòÉΓòÉ
public:
~IDDEClientHotLinkEvent();
Platform Support
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ΓòÉΓòÉΓòÉ 1.13. IDDEClientHotLinkSet ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEClientHotLinkSet ΓòÉΓòÉΓòÉ
ISet
Γöé
IDDEClientHotLinkSet
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEClientHotLinkSet ΓòÉΓòÉΓòÉ
iddecset.hpp
The IDDEClientHotLinkSet class is a set that was created using the ISet
template class. The set contains pointers to IDDEClientHotLinkEvent objects.
See IDDEClientHotLinkEvent for information about that class.
An IDDEClientConversation object creates objects of this class to keep track of
the active hot links for the conversation. An application creates an object of
this class to call the IDDEClientConversation::hotLinks member to get the
current set of active hot links. If you remove individual elements of the set,
delete the IDDEClientHotLinkEvent to which each element points or the memory is
not recovered. See IDDEClientConversation, and hotLinks for information about
that class and member.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEClientHotLinkSet ΓòÉΓòÉΓòÉ
Constructors
IDDEClientHotLinkSet
~IDDEClientHotLinkSet
ΓòÉΓòÉΓòÉ <hidden> IDDEClientHotLinkSet - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class.
ΓòÉΓòÉΓòÉ <hidden> IDDEClientHotLinkSet - Hidden Members ΓòÉΓòÉΓòÉ
These functions are placed in the private section of the class to prevent you
from using them.
ΓòÉΓòÉΓòÉ 1.13.1. IDDEClientHotLinkSet::IDDEClientHotLinkSet ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class.
public:
IDDEClientHotLinkSet();
You can construct objects of this class using the default constructor, which
does not accept any arguments.
Platform Support
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ΓòÉΓòÉΓòÉ 1.13.2. IDDEClientHotLinkSet::~IDDEClientHotLinkSet ΓòÉΓòÉΓòÉ
This member removes all the elements from the set, and deletes them.
public:
~IDDEClientHotLinkSet();
Platform Support
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ΓòÉΓòÉΓòÉ 1.14. IDDEDataEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEDataEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDESetAcknowledgeInfoEvent
Γöé
IDDEDataEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEDataEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEDataEvent class provides event information and data to a client
application.
An object of this class is created when an IDDEClientConversation object needs
to pass data sent from a server to the client application. This can result from
a requestData request or from an active hot link. You do not construct objects
of this class. See IDDEClientConversation and requestData for information about
that class and member.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEDataEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEDataEvent
~IDDEDataEvent
Event Information
data
isAckRequested
isDataFromHotLink
Inherited Members
IDDESetAcknowledgeInfoEvent
setApplicationBusy
setApplicationSpecificData
setMessageNotUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEDataEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are usually created and deleted for you
by IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEDataEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query the data and other related information from the
event.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEDataEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEDataEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.14.1. IDDEDataEvent::data ΓòÉΓòÉΓòÉ
Returns the data provided by the server.
Note: The IDDEDataEvent::data member's IString is constructed from a void* and
length. For character strings, if the terminating NULL is included in the
length, it is in the buffer. Before performing string operations such as
concatenation on this string, use IString::stripTrailing to strip any trailing
NULL character.
See IString and stripTrailing for information about that class and member.
public:
IString data() const;
Platform Support
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Used in sample: DDE Client Sample: aclient.cpp
ΓòÉΓòÉΓòÉ 1.14.2. IDDEDataEvent::IDDEDataEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are usually created and deleted for you
by IDDEClientConversation objects.
public:
IDDEDataEvent(const IEvent& ddeEvent);
Platform Support
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ΓòÉΓòÉΓòÉ 1.14.3. IDDEDataEvent::isAckRequested ΓòÉΓòÉΓòÉ
Returns true if the server has requested an acknowledgment of receipt of the
data. The IDDEClientConversation object automatically sends the acknowledgment
when it is requested.
See IDDEClientConversation for information about that class.
public:
Boolean isAckRequested() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.14.4. IDDEDataEvent::isDataFromHotLink ΓòÉΓòÉΓòÉ
Returns true if the data is being sent as the result of an active hot link.
Returns false if the data is sent in response to an
IDDEClientConversation::requestData call.
See requestData for information about that member.
public:
Boolean isDataFromHotLink() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Client Sample: aclient.cpp
ΓòÉΓòÉΓòÉ 1.14.5. IDDEDataEvent::~IDDEDataEvent ΓòÉΓòÉΓòÉ
public:
~IDDEDataEvent();
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.15. IDDEEndEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Data
Nested Types
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEEndEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEndEvent
Inherited by:
IDDEClientEndEvent
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEEndEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEEndEvent class provides event information to a server application when
a conversation is ended or ending.
An object of this class is created when an IDDETopicServer object needs to
notify the application that a conversation is ending or ended. You do not
construct objects of this class. See IDDETopicServer for information about that
class.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEEndEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEEndEvent
~IDDEEndEvent
Event Information
sourceOfEnd
Inherited Members
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEEndEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are usually created and deleted for you
by IDDETopicServer objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEEndEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members and enumerations to determine the initiator or cause of the
conversation termination.
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEEndEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.15.1. IDDEEndEvent::IDDEEndEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are usually created and deleted for you
by IDDETopicServer objects.
public:
IDDEEndEvent(const IEvent& ddeEvent, Source endSource);
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.15.2. IDDEEndEvent::sourceOfEnd ΓòÉΓòÉΓòÉ
Returns one of the values of the IDDEEndEvent::Source enumeration indicating
the source of the ending of the conversation.
See Source for information about that enumeration.
public:
Source sourceOfEnd() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in samples:
DDE Client Sample: aclient.cpp
DDE Server Sample: aserver.cpp
ΓòÉΓòÉΓòÉ 1.15.3. IDDEEndEvent::~IDDEEndEvent ΓòÉΓòÉΓòÉ
public:
~IDDEEndEvent();
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ <hidden> Nested Types - IDDEEndEvent ΓòÉΓòÉΓòÉ
Enumerations
Source
ΓòÉΓòÉΓòÉ <hidden> Enums - Source ΓòÉΓòÉΓòÉ
enum Source { client, server, error };
Enumeration that is used to defined the possible sources of an end to a
conversation:
client
Indicates that the client initiated the conversation's end.
server
Indicates that the server initiated the conversation's end.
error
Indicates that an error in a routine entered from the dispatcher would
cause an exception to be thrown and the application would not have an
opportunity to catch the exception. Since this situation could cause this
application and the application being conversed with to abnormally end,
this application is called back with an IDDEEndEvent object. The
conversation is also terminated at this point.
ΓòÉΓòÉΓòÉ 1.16. IDDEEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Inherited by:
IDDEAcknowledgeEvent
IDDESetAcknowledgeInfoEvent
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
IDDEEvent is the base class for most Dynamic Data Exchange (DDE) event classes.
An object of this class, or one of its subclasses, is created when an
IDDEClientConversation object or IDDETopicServer object needs to pass
information to the client or server application. You do not construct objects
of this class. See IDDEClientConversation and IDDETopicServer for information
about those classes.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEEvent
~IDDEEvent
Event Information
format
item
Inherited Members
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are usually created and deleted for you
by IDDETopicServer or IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query information about the item and format of the data
that the event is dealing with.
ΓòÉΓòÉΓòÉ <hidden> IDDEEvent - Implementation ΓòÉΓòÉΓòÉ
Derived classes use these members to set and obtain the attributes of this
class.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEEvent ΓòÉΓòÉΓòÉ
Implementation
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.16.1. IDDEEvent::buffer ΓòÉΓòÉΓòÉ
Returns the data buffer.
Note: The IDDEEvent::buffer member's IString is constructed from a void* and
length. For character strings, if the terminating NULL is included in the
length, it is in the buffer. Before performing string operations such as
concatenation on this string, use IString::stripTrailing to strip any trailing
NULL character.
See IString and stripTrailing for information about that class and member.
protected:
IString buffer() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.16.2. IDDEEvent::format ΓòÉΓòÉΓòÉ
Returns the name of the format.
public:
IString format() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.16.3. IDDEEvent::IDDEEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are usually created and deleted for you
by IDDETopicServer or IDDEClientConversation objects.
Overload 1
public:
IDDEEvent(const IDDEEvent& ddeEvent);
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Overload 2
public:
IDDEEvent(const IEvent& ddeEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.16.4. IDDEEvent::item ΓòÉΓòÉΓòÉ
Returns the name of the item.
public:
IString item() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in samples:
DDE Client Sample: aclient.cpp
DDE Server Sample: aserver.cpp
ΓòÉΓòÉΓòÉ 1.16.5. IDDEEvent::setBuffer ΓòÉΓòÉΓòÉ
Sets the data into the data buffer.
protected:
IDDEEvent& setBuffer(IString dataBuffer);
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.16.6. IDDEEvent::setStatus ΓòÉΓòÉΓòÉ
Sets the status field of the event.
protected:
IDDEEvent& setStatus(unsigned short status);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.16.7. IDDEEvent::status ΓòÉΓòÉΓòÉ
Returns the status of the event.
protected:
unsigned short status() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.16.8. IDDEEvent::~IDDEEvent ΓòÉΓòÉΓòÉ
public:
~IDDEEvent();
Platform Support
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ΓòÉΓòÉΓòÉ 1.17. IDDEExecuteEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEExecuteEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDESetAcknowledgeInfoEvent
Γöé
IDDEExecuteEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEExecuteEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEExecuteEvent class provides event information to a server application
when a client has asked the server to execute a command string.
An object of this class is created when an IDDETopicServer object needs to pass
an executeCommands request to the server application. You do not construct
objects of this class. See IDDETopicServer and executeCommands for information
about that class and function.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEExecuteEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEExecuteEvent
~IDDEExecuteEvent
Event Information
commands
Inherited Members
IDDESetAcknowledgeInfoEvent
setApplicationBusy
setApplicationSpecificData
setMessageNotUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEExecuteEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEExecuteEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query the command string sent by the DDE client
application.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEExecuteEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEExecuteEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.17.1. IDDEExecuteEvent::commands ΓòÉΓòÉΓòÉ
Returns the command string that the client has asked the server to execute.
Note: The IDDEExecuteEvent::commands member's IString is constructed from a
void* and length. For character strings, if the terminating NULL is included in
the length, it is in the buffer. Before performing string operations such as
concatenation on this string, use IString::stripTrailing to strip any trailing
NULL character.
See IString and stripTrailing for information about that class and member.
public:
IString commands() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.17.2. IDDEExecuteEvent::IDDEExecuteEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
public:
IDDEExecuteEvent(const IEvent& ddeEvent);
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.17.3. IDDEExecuteEvent::~IDDEExecuteEvent ΓòÉΓòÉΓòÉ
public:
~IDDEExecuteEvent();
Platform Support
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ΓòÉΓòÉΓòÉ 1.18. IDDEPokeEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEPokeEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDESetAcknowledgeInfoEvent
Γöé
IDDEPokeEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEPokeEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEPokeEvent class provides event information to a server application when
a client has asked the server to set an item to a new value.
An object of this class is created when an IDDETopicServer object needs to pass
a pokeData request to the server application. You do not construct objects of
this class. See IDDETopicServer and pokeData for information about that class
and member.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEPokeEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEPokeEvent
~IDDEPokeEvent
Event Information
pokedData
Inherited Members
IDDESetAcknowledgeInfoEvent
setApplicationBusy
setApplicationSpecificData
setMessageNotUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEPokeEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEPokeEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query the data that the DDE client application has sent to
be poked.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEPokeEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEPokeEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.18.1. IDDEPokeEvent::IDDEPokeEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
public:
IDDEPokeEvent(const IEvent& ddeEvent);
Platform Support
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.18.2. IDDEPokeEvent::pokedData ΓòÉΓòÉΓòÉ
Returns the data that the client asked the server to set an item's value to.
Note: The IDDEPokeEvent::pokedData member's IString is constructed from a
void* and length. For character strings, if the terminating NULL is included in
the length, it is in the buffer. Before performing string operations such as
concatenation on this string, use IString::stripTrailing to strip any trailing
NULL character.
See IString and stripTrailing for information about that class and member.
public:
IString pokedData() const;
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Server Sample: aserver.cpp
ΓòÉΓòÉΓòÉ 1.18.3. IDDEPokeEvent::~IDDEPokeEvent ΓòÉΓòÉΓòÉ
public:
~IDDEPokeEvent();
Platform Support
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ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.19. IDDERequestDataEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDERequestDataEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDESetAcknowledgeInfoEvent
Γöé
IDDERequestDataEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDERequestDataEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDERequestDataEvent class provides event information to a server
application when a client has requested data.
An object of this class is created when an IDDETopicServer object needs to pass
requests for data to the server application. You do not construct objects of
this class. See IDDETopicServer for information about that class.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDERequestDataEvent ΓòÉΓòÉΓòÉ
Constructors
IDDERequestDataEvent
~IDDERequestDataEvent
Event Information
requestAck
setData
Inherited Members
IDDESetAcknowledgeInfoEvent
setApplicationBusy
setApplicationSpecificData
setMessageNotUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDERequestDataEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
ΓòÉΓòÉΓòÉ <hidden> IDDERequestDataEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to provide the data requested by the DDE client application
and to set the related attributes of the event.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDERequestDataEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDERequestDataEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.19.1. IDDERequestDataEvent::IDDERequestDataEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
public:
IDDERequestDataEvent(const IEvent& ddeEvent);
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.19.2. IDDERequestDataEvent::requestAck ΓòÉΓòÉΓòÉ
Sets the request acknowledgment flag.
public:
IDDERequestDataEvent& requestAck();
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.19.3. IDDERequestDataEvent::setData ΓòÉΓòÉΓòÉ
Provides the requested data so it can be sent to the client. This member is
overloaded so that either buffers of data or character strings can be easily
sent.
Overload 1
public:
IDDERequestDataEvent&
setData( const void* dataBuffer,
unsigned long dataLength);
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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Overload 2
public:
IDDERequestDataEvent& setData(const char* dataString);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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Used in sample: DDE Server Sample: aserver.cpp
ΓòÉΓòÉΓòÉ 1.19.4. IDDERequestDataEvent::~IDDERequestDataEvent ΓòÉΓòÉΓòÉ
public:
~IDDERequestDataEvent();
Platform Support
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ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.20. IDDEServerAcknowledgeEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEServerAcknowledgeEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDEAcknowledgeEvent
Γöé
IDDEServerAcknowledgeEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEServerAcknowledgeEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEServerAcknowledgeEvent class provides event information to a server
application regarding an acknowledgment from a client.
An object of this class is created when an IDDETopicServer object needs to pass
information about an acknowledgment to the server application. You do not
construct objects of this class. See IDDETopicServer for information about that
class.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEServerAcknowledgeEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEServerAcknowledgeEvent
~IDDEServerAcknowledgeEvent
Event Information
data
isAckToHotLinkUpdate
Inherited Members
IDDEAcknowledgeEvent
applicationSpecificData
isAckPositive
isApplicationBusy
isMessageUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEServerAcknowledgeEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEServerAcknowledgeEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query information about an acknowledgment received from a
DDE client application.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEServerAcknowledgeEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEAcknowledgeEvent
transactionType
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEServerAcknowledgeEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.20.1. IDDEServerAcknowledgeEvent::data ΓòÉΓòÉΓòÉ
Returns the data the server provided to the client.
Note: The IDDEServerAcknowledgeEvent:: data member's IString is constructed
from a void* and length. For character strings, if the terminating NULL is
included in the length, it is in the buffer. Before performing string
operations such as concatenation on this string, use IString::stripTrailing to
strip any trailing NULL character.
See IString and stripTrailing for information about that class and member.
public:
IString data() const;
Platform Support
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ΓòÉΓòÉΓòÉ 1.20.2. IDDEServerAcknowledgeEvent::IDDEServerAcknowledgeEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
public:
IDDEServerAcknowledgeEvent(const IEvent& ddeEvent);
Platform Support
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ΓòÉΓòÉΓòÉ 1.20.3. IDDEServerAcknowledgeEvent::isAckToHotLinkUpdate ΓòÉΓòÉΓòÉ
Returns true if the acknowledgment is in response to
IDDETopicServer::hotLinkUpdate being called. It returns false if it is in
response to data being provided for an IDDETopicServer::requestData call.
See hotLinkUpdate and requestData for information about those members.
public:
Boolean isAckToHotLinkUpdate() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
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ΓòÉΓòÉΓòÉ 1.20.4. IDDEServerAcknowledgeEvent::~IDDEServerAcknowledgeEvent ΓòÉΓòÉΓòÉ
public:
~IDDEServerAcknowledgeEvent();
Platform Support
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ΓòÉΓòÉΓòÉ 1.21. IDDEServerHotLinkEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDEServerHotLinkEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDESetAcknowledgeInfoEvent
Γöé
IDDEServerHotLinkEvent
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDEServerHotLinkEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDEServerHotLinkEvent class provides event information to a server
application when a client has asked the server to begin a hot link.
An object of this class is created when an IDDETopicServer object needs to pass
a beginHotLink request to the server application. You do not construct objects
of this class. See IDDETopicServer and beginHotLink for information about that
class and function.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDEServerHotLinkEvent ΓòÉΓòÉΓòÉ
Constructors
IDDEServerHotLinkEvent
~IDDEServerHotLinkEvent
Event Information
isDataRequested
isPacingRequested
Inherited Members
IDDESetAcknowledgeInfoEvent
setApplicationBusy
setApplicationSpecificData
setMessageNotUnderstood
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDEServerHotLinkEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
ΓòÉΓòÉΓòÉ <hidden> IDDEServerHotLinkEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to query information about the hot link associated with this
event.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDEServerHotLinkEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDEServerHotLinkEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.21.1. IDDEServerHotLinkEvent::IDDEServerHotLinkEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer objects.
public:
IDDEServerHotLinkEvent(const IEvent& ddeEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.21.2. IDDEServerHotLinkEvent::isDataRequested ΓòÉΓòÉΓòÉ
Returns true if the client application has requested a data hot link. Returns
false if a notification link has been requested.
public:
Boolean isDataRequested() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.21.3. IDDEServerHotLinkEvent::isPacingRequested ΓòÉΓòÉΓòÉ
Returns true if the client application has requested the server to request an
acknowledgment from the client whenever it sends data or a notification.
public:
Boolean isPacingRequested() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.21.4. IDDEServerHotLinkEvent::~IDDEServerHotLinkEvent ΓòÉΓòÉΓòÉ
public:
~IDDEServerHotLinkEvent();
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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ΓòÉΓòÉΓòÉ 1.22. IDDESetAcknowledgeInfoEvent ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDESetAcknowledgeInfoEvent ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IEvent
Γöé
IDDEEvent
Γöé
IDDESetAcknowledgeInfoEvent
Inherited by:
IDDEClientHotLinkEvent
IDDEDataEvent
IDDEExecuteEvent
IDDEPokeEvent
IDDERequestDataEvent
IDDEServerHotLinkEvent
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDESetAcknowledgeInfoEvent ΓòÉΓòÉΓòÉ
iddeevt.hpp
The IDDESetAcknowledgeInfoEvent class is the base class for Dynamic Data
Exchange (DDE) event information classes that need to set acknowledgment
information.
An object of a subclass of IDDESetAcknowledgeInfoEvent is only created for
events that the application can respond to with a negative acknowledgment. You
do not construct objects of this class.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDESetAcknowledgeInfoEvent ΓòÉΓòÉΓòÉ
Constructors
IDDESetAcknowledgeInfoEvent
~IDDESetAcknowledgeInfoEvent
Event Information
setApplicationBusy
setApplicationSpecificData
setMessageNotUnderstood
Inherited Members
IDDEEvent
format
item
IEvent
controlHandle
controlWindow
dispatchingWindow
eventId
eventType
handle
operator =
parameter1
parameter2
passToOwner
result
setControlHandle
setDispatchingHandle
setEventType
setHandle
setPassToOwner
setResult
window
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDESetAcknowledgeInfoEvent - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer or IDDEClientConversation objects.
ΓòÉΓòÉΓòÉ <hidden> IDDESetAcknowledgeInfoEvent - Event Information ΓòÉΓòÉΓòÉ
Use these members to set the information for an acknowledgment being sent to
the DDE partner application.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDESetAcknowledgeInfoEvent ΓòÉΓòÉΓòÉ
Inherited Members
IDDEEvent
buffer
setBuffer
setStatus
status
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDESetAcknowledgeInfoEvent ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.22.1. IDDESetAcknowledgeInfoEvent::IDDESetAcknowledgeInfoEvent ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class, although normally you
will never need to do so. These events are normally created and deleted for
you by IDDETopicServer or IDDEClientConversation objects.
Overload 1
public:
IDDESetAcknowledgeInfoEvent( const IDDESetAcknowledgeInfoEvent& ddeEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
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Overload 2
public:
IDDESetAcknowledgeInfoEvent(const IEvent& ddeEvent);
Platform Support
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ΓòÉΓòÉΓòÉ 1.22.2. IDDESetAcknowledgeInfoEvent::setApplicationBusy ΓòÉΓòÉΓòÉ
Sets the application busy flag. This is used by a client or server application
to indicate why a request or response to a request cannot be processed.
public:
IDDESetAcknowledgeInfoEvent& setApplicationBusy();
Platform Support
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ΓòÉΓòÉΓòÉ 1.22.3. IDDESetAcknowledgeInfoEvent::setApplicationSpecificData ΓòÉΓòÉΓòÉ
Sets application-specific information. This can be used when a client and
server application have a pre-defined protocol for exchanging information.
public:
IDDESetAcknowledgeInfoEvent&
setApplicationSpecificData( unsigned char applicationData);
Platform Support
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ΓòÉΓòÉΓòÉ 1.22.4. IDDESetAcknowledgeInfoEvent::setMessageNotUnderstood ΓòÉΓòÉΓòÉ
Sets the message not understood flag. This is used by a client or server
application to indicate why a request or response to a request cannot be
processed.
public:
IDDESetAcknowledgeInfoEvent& setMessageNotUnderstood();
Platform Support
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ΓòÉΓòÉΓòÉ 1.22.5. IDDESetAcknowledgeInfoEvent::~IDDESetAcknowledgeInfoEvent ΓòÉΓòÉΓòÉ
public:
~IDDESetAcknowledgeInfoEvent();
Platform Support
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ΓòÉΓòÉΓòÉ 1.23. IDDETopicServer ΓòÉΓòÉΓòÉ
Description
Derivation
Constructors
Public Functions
Protected Functions
Protected Data
To close all the panels in a chapter, double click on this panel's system menu.
ΓòÉΓòÉΓòÉ <hidden> Derivation - IDDETopicServer ΓòÉΓòÉΓòÉ
IBase
Γöé
IVBase
Γöé
IHandler
Γöé
IDDETopicServer
Inherited by none.
ΓòÉΓòÉΓòÉ <hidden> Class Description - IDDETopicServer ΓòÉΓòÉΓòÉ
iddetsrv.hpp
The IDDETopicServer class adds Dynamic Data Exchange (DDE) server function to
an application.
Create an object of this class for each topic you want to support in a DDE
server application. The object manages all window, shared memory, and atom
table processing.
This class uses a window to communicate; therefore, window message processing
must occur. This means that ICurrentThread::processMsgs must be called. There
are several ways for this to occur. Normally, this is accomplished by calling
IApplication::current().run(). See processMsgs, current, and run for
information about those members.
ΓòÉΓòÉΓòÉ <hidden> Public Functions - IDDETopicServer ΓòÉΓòÉΓòÉ
Constructors
IDDETopicServer
~IDDETopicServer
Conversation Initiation and Termination
beginConversation
endConversation
Hot Link Updates
hotLinkUpdate
Server Information
application
conversationCount
hotLinkCount
serverHandle
topic
Inherited Members
IHandler
asDebugInfo
asString
disable
enable
handleEventsFor
isEnabled
stopHandlingEventsFor
IVBase
asDebugInfo
asString
IBase
asDebugInfo
asString
messageFile
messageText
setMessageFile
version
ΓòÉΓòÉΓòÉ <hidden> IDDETopicServer - Constructors ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class.
ΓòÉΓòÉΓòÉ <hidden> IDDETopicServer - Conversation Initiation and Termination ΓòÉΓòÉΓòÉ
Use these members to begin and end conversations with DDE client applications.
ΓòÉΓòÉΓòÉ <hidden> IDDETopicServer - Event Dispatching ΓòÉΓòÉΓòÉ
Event dispatching members process events sent by DDE client applications. The
dispatchHandlerEvent function is called whenever an event is sent to this
object, and it calls one of the other appropriate members in this object to
actually process the event.
Typically, you do not need to override any of these members. If you wish to
provide some additional behavior before or after the event is processed make
sure that you call the IDDETopicServer version of the member or unpredictable
results can occur and the conversation may not be able to process further
events from the DDE client application. You may need to override one of these
members if the client application sends a DDE message not supported by the DDE
protocol at that particular point in the conversation. You may need to do this
because the IDDETopicServer object throws these invalid events away.
ΓòÉΓòÉΓòÉ <hidden> IDDETopicServer - Event Processing ΓòÉΓòÉΓòÉ
Event-processing members provide you with information when events, typically
requests, are received from a DDE client application. To obtain the
information provided by any of these virtual members, and to support the
requested transactions, derive from this class and override the members. All
of the members, except for the requestData member which is pure virtual, have
default implementations so that you only need to override the functions that
you want to support or use.
If you specify true for the useEventThread parameter of the IDDETopicServer
constructor, all of these members except for acceptConversation and in some
cases requestHotLinkData, are invoked on a secondary thread.
ΓòÉΓòÉΓòÉ <hidden> IDDETopicServer - Hidden Members ΓòÉΓòÉΓòÉ
These members are placed in the private section of the class to prevent you
from copying objects of this class.
ΓòÉΓòÉΓòÉ <hidden> IDDETopicServer - Hot Link Updates ΓòÉΓòÉΓòÉ
Use these members to initiate the sending of hot link updates to DDE client
applications.
ΓòÉΓòÉΓòÉ <hidden> IDDETopicServer - Server Information ΓòÉΓòÉΓòÉ
Use these members to query information about the attributes of objects of this
class.
ΓòÉΓòÉΓòÉ <hidden> Protected Functions - IDDETopicServer ΓòÉΓòÉΓòÉ
Event Dispatching
dispatchHandlerEvent
handleAck
handleAdvise
handleExecute
handleInitiate
handlePoke
handleRequest
handleTerminate
handleUnadvise
removeLink
Event Processing
acceptConversation
acknowledged
beginHotLink
conversationEnded
executeCommands
hotLinkEnded
pokeData
requestData
requestHotLinkData
Inherited Members
IHandler
defaultProcedure
dispatchHandlerEvent
ΓòÉΓòÉΓòÉ <hidden> Protected Data - IDDETopicServer ΓòÉΓòÉΓòÉ
Inherited Members
IBase
recoverable
unrecoverable
ΓòÉΓòÉΓòÉ 1.23.1. IDDETopicServer::acceptConversation ΓòÉΓòÉΓòÉ
Informs the server that a client is asking to begin a conversation. The topic
server calls this member if the application and topic match, ignoring
mismatches due to different cases. The application should return promptly from
this member because the request is sent, not posted, by the client application.
Therefore, this member is always called in the main thread.
Return true if the conversation is accepted. (The application can indicate it
enforces case sensitivity by calling IDDEBeginEvent::setCaseSensitive. See
setCaseSensitive for information about that member.)
If the conversation request is rejected, return false so the topic server does
not accept the conversation. The default behavior is to return true.
protected:
virtual Boolean
acceptConversation( unsigned long conversationId,
IDDEBeginEvent& event);
Platform Support
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ΓòÉΓòÉΓòÉ 1.23.2. IDDETopicServer::acknowledged ΓòÉΓòÉΓòÉ
Informs the server that a client has acknowledged the receipt of data or
notification of changed hot link data. If true is specified for the
useEventThread argument of the IDDETopicServer constructor, this member is
called on a secondary thread.
Note: The IDDETopicServer::hotLinkUpdate and IDDETopicServer::endConversation
members must not be called from this member. Otherwise, a dead-lock can occur.
See hotLinkUpdate and endConversation for information about those members.
protected:
virtual void
acknowledged( unsigned long conversationId,
IDDEServerAcknowledgeEvent& event);
Platform Support
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ΓòÉΓòÉΓòÉ 1.23.3. IDDETopicServer::application ΓòÉΓòÉΓòÉ
Returns the name of the server application.
public:
IString application() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.23.4. IDDETopicServer::beginConversation ΓòÉΓòÉΓòÉ
This is provided along with the IDDETopicServer::serverHandle member to allow a
topic server to get in conversation with a client without engaging in the
normal conversation initialization. See serverHandle for information about that
member.
This member sets the window handle associated with the client conversation. To
initiate a conversation in this manner, the client and server application must
have their own method for exchanging their window handles.
public:
virtual IDDETopicServer&
beginConversation( const IWindowHandle& clientHandle);
Platform Support
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ΓöéYes ΓöéNo Γöé
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Exceptions
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ΓöéIInvalidParameter ΓöéThe client window handle is not valid. Γöé
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ΓöéIInvalidRequest ΓöéA conversation with this client window Γöé
Γöé Γöéis already active. Γöé
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ΓòÉΓòÉΓòÉ 1.23.5. IDDETopicServer::beginHotLink ΓòÉΓòÉΓòÉ
Informs the server that a client is requesting a hot link on a particular item
and format. If the application supports hot links for this item and format,
return true so the topic server sends the client a positive acknowledgment. The
IDDETopicServer::hotLinkUpdate member is provided for sending either data or a
notification when the item's value changes. See hotLinkUpdate for information
about that member.
If the application does not support this hot link request, it should use any
appropriate members of the IDDEServerHotLinkEvent object to indicate the reason
and return false. This causes the topic server to send a negative
acknowledgment to the client. See IDDEServerHotLinkEvent for information about
that class.
If true is specified for the useEventThread argument of the IDDETopicServer
constructor, this member is called on a secondary thread.
The default behavior is to return false.
protected:
virtual Boolean
beginHotLink( unsigned long conversationId,
IDDEServerHotLinkEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.6. IDDETopicServer::conversationCount ΓòÉΓòÉΓòÉ
Returns the number of conversations in which the topic server is currently
engaged.
public:
unsigned long conversationCount() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.7. IDDETopicServer::conversationEnded ΓòÉΓòÉΓòÉ
Notifies the server that the conversation is ending or ended. The conversation
end can be initiated by either the client or the server, and can also be caused
by an error condition in the IDDEClientConversation. See IDDEClientConversation
for information about that class.
If true is specified for the useEventThread argument of the IDDETopicServer
constructor, this member is called on a secondary thread.
protected:
virtual void
conversationEnded( unsigned long conversationId,
IDDEEndEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.8. IDDETopicServer::dispatchHandlerEvent ΓòÉΓòÉΓòÉ
Calls the appropriate virtual member if a DDE topic server event is found.
protected:
virtual Boolean dispatchHandlerEvent(IEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIOutOfSystemResourceΓöéThe operating system request to write toΓöé
Γöé Γöéa queue failed. See the text of the Γöé
Γöé Γöéexception for further information. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThis function has been called Γöé
Γöé Γöérecursively, possibly violating DDE Γöé
Γöé Γöésynchronization rules. Either constructΓöé
Γöé Γöéthis object with useEventThread=true, orΓöé
Γöé Γöéavoid displaying dialog boxes in the Γöé
Γöé Γöéevent callback functions. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.9. IDDETopicServer::endConversation ΓòÉΓòÉΓòÉ
Ends a conversation with a DDE client.
public:
virtual IDDETopicServer&
endConversation( unsigned long conversationId);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidRequest ΓöéThere is no active conversation Γöé
Γöé Γöéidentified by this ID. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.10. IDDETopicServer::executeCommands ΓòÉΓòÉΓòÉ
Informs the server that a client is requesting the application to execute a
string of one or more commands. If the application supports the request and
successfully executes the commands, return true so the topic server sends the
client a positive acknowledgment. If the application cannot honor this request,
it should use any appropriate members of the IDDEExecuteEvent object to
indicate the reason and return false. This causes the topic server to send a
negative acknowledgment to the client. The default behavior is to return false.
See IDDEExecuteEvent for information about that class.
If true is specified for the useEventThread argument of the IDDETopicServer
constructor, this member is called on a secondary thread.
protected:
virtual Boolean
executeCommands( unsigned long conversationId,
IDDEExecuteEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.11. IDDETopicServer::handleAck ΓòÉΓòÉΓòÉ
Handles acknowledgments from client applications.
protected:
virtual void handleAck(const IEvent& ackEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.12. IDDETopicServer::handleAdvise ΓòÉΓòÉΓòÉ
Handles IDDETopicServer::beginHotLink requests from client applications. See
beginHotLink for information about that member.
protected:
virtual void handleAdvise(const IEvent& adviseEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.13. IDDETopicServer::handleExecute ΓòÉΓòÉΓòÉ
Handles IDDETopicServer::executeCommands requests from client applications. See
executeCommands for information about that member.
protected:
virtual void handleExecute(const IEvent& executeEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.14. IDDETopicServer::handleInitiate ΓòÉΓòÉΓòÉ
Handles begin requests from client applications.
protected:
virtual void handleInitiate(const IEvent& initiateEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.15. IDDETopicServer::handlePoke ΓòÉΓòÉΓòÉ
Handles IDDETopicServer::pokeData requests from client applications. See
pokeData for information about that member.
protected:
virtual void handlePoke(const IEvent& pokeEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.16. IDDETopicServer::handleRequest ΓòÉΓòÉΓòÉ
Handles IDDETopicServer::requestData requests from client applications. See
requestData for information about that member.
protected:
virtual void handleRequest(const IEvent& requestEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.23.17. IDDETopicServer::handleTerminate ΓòÉΓòÉΓòÉ
Handles end requests from client applications.
protected:
virtual void handleTerminate(const IEvent& terminateEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.18. IDDETopicServer::handleUnadvise ΓòÉΓòÉΓòÉ
Handles IDDETopicServer::hotLinkEnded requests from client applications. See
hotLinkEnded for information about that member.
protected:
virtual void handleUnadvise(const IEvent& unadviseEvent);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
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ΓòÉΓòÉΓòÉ 1.23.19. IDDETopicServer::hotLinkCount ΓòÉΓòÉΓòÉ
Returns the number of hot links in which the topic server is currently engaged.
public:
unsigned long hotLinkCount() const;
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
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ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.20. IDDETopicServer::hotLinkEnded ΓòÉΓòÉΓòÉ
Informs the server that a client has ended one or more hot links. If the format
is a 0-length string, all hot links on the specified item are ended. If the
item is a 0-length string, all hot links with this client are ended.
If true is specified for the useEventThread argument of the IDDETopicServer
constructor, this member is called on a secondary thread.
protected:
virtual void
hotLinkEnded( unsigned long conversationId,
IDDEEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.21. IDDETopicServer::hotLinkUpdate ΓòÉΓòÉΓòÉ
Sends either data or a change notification for items whose data has changed to
all clients who have an active hot link for this item.
IDDETopicServer::requestHotLinkData is called for each format that has an
active hot link and requires data. The number of hot links for which data or a
notification is sent is returned to the caller. See requestHotLinkData for
information about that member.
If there is an outstanding acknowledgment for a hot link, the notification is
not sent to the client to which the hot link belongs. When the acknowledgment
is satisfied, a notification is sent to the client with the most current data
if it is a data hot link.
public:
unsigned long hotLinkUpdate(const char* item);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
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Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidParameter ΓöéThe item parameter is NULL or has a zeroΓöé
Γöé Γöélength. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIAccessError ΓöéThe operating system request to post theΓöé
Γöé ΓöéDDE message to a client application Γöé
Γöé Γöéfailed. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIInvalidRequest ΓöéThere is no active hot link for this Γöé
Γöé Γöéitem and format. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Server Sample: aserver.cpp
ΓòÉΓòÉΓòÉ 1.23.22. IDDETopicServer::IDDETopicServer ΓòÉΓòÉΓòÉ
You can construct and destruct objects of this class.
public:
IDDETopicServer( const char* applicationName,
const char* supportedTopic,
IFrameWindow* owner = 0,
Boolean useEventThread = true);
You can construct objects of this class in the following way.
The constructor accepts the following two required arguments and two optional
arguments.
The name of the application to which the topic server belongs (required)
The name of the topic that the topic server supports (required)
The third argument is optional, but highly recommended if the application
has a main frame window. IDDETopicServer creates an IFrameWindow object,
which must be destructed for the application to end normally. Specifying
this argument guarantees that this window is destructed when the main
frame window is closed. The alternative is to ensure that all objects of
IDDETopicServer are deleted before attempting to end the application. See
IFrameWindow for information about that class.
The fourth argument is also optional, but also highly recommended if the
application must do any extensive processing or interacts with the user
during any of the callback functions. Specifying true allows the
IDDETopicServer object to create a secondary thread to process incoming
events. This prevents problems with window message processing because the
thread is created without a message queue. If you specify false, no
secondary thread is created and you should return promptly from all
callback functions.
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Exceptions
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéIInvalidParameter ΓöéThe applicationName or supportedTopic Γöé
Γöé Γöéparameter is NULL or has a zero length. Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéIOutOfSystemResourceΓöéThe operating system request for either Γöé
Γöé Γöéan event semaphore or a queue failed. Γöé
Γöé ΓöéSee the text of the exception for Γöé
Γöé Γöéfurther information. Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
Used in sample: DDE Server Sample: aserver.cpp
ΓòÉΓòÉΓòÉ 1.23.23. IDDETopicServer::pokeData ΓòÉΓòÉΓòÉ
Informs the server that a client is requesting it to set an item to the new
value provided by the client. If the application is able to honor the request,
return true so the topic server sends the client a positive acknowledgment. If
the application is unable to honor the request, it should use any appropriate
members of the IDDEPokeEvent object to indicate the reason and return false.
This causes the topic server to send a negative acknowledgment to the client.
The default behavior is to return false. See IDDEPokeEvent for information
about that class.
If true is specified for the useEventThread argument of the IDDETopicServer
constructor, this member is called on a secondary thread.
protected:
virtual Boolean
pokeData( unsigned long conversationId,
IDDEPokeEvent& event);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.24. IDDETopicServer::removeLink ΓòÉΓòÉΓòÉ
Called by the IDDETopicServer::handleUnadvise function to update hot link
information when a client ends a hot link. See handleUnadvise for information
about that member.
protected:
virtual Boolean
removeLink( IString item,
IString format,
unsigned long conversationId);
Platform Support
ΓöîΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö¼ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÉ
ΓöéPM ΓöéMOTIF Γöé
Γö£ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö╝ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöñ
ΓöéYes ΓöéNo Γöé
ΓööΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓö┤ΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÇΓöÿ
ΓòÉΓòÉΓòÉ 1.23.25. IDDETopicServer::requestData ΓòÉΓòÉΓòÉ
Informs the server that a client is requesting data for an item in a specified
format. If the request is for an item and format the application supports, it
should provide the data using the IDDERequestDataEvent::setData member and
return true. The application can also request an acknowledgment from the client
when it has received the data using the IDDERequestDataEvent::requestAck
function. See setData and requestAck for information about those members.
If the application cannot provide the data, it can indicate one of several
reasons using the appropriate members of IDDERequestDataEvent and return false.
This causes the topic server to send the client a negative acknowledgment. This
function is pure virtual and must be overridden. See IDDERequestDataEvent for
information about that class.
If true is specified for the useEventThread argument of the IDDETopicServer
constructor, this member is called on a secondary thread.
protected:
virtual Boolean
requestData( unsigned long conversationId,
IDDERequestDataEvent& event) = 0;
Platform Support
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ΓòÉΓòÉΓòÉ 1.23.26. IDDETopicServer::requestHotLinkData ΓòÉΓòÉΓòÉ
Informs the server that data is required for an item in a specified format.
This member is called once for each format that has an active hot link that
requires data when the server calls the IDDETopicServer::hotLinkUpdate member
for an item. The server calls the hotLinkUpdate member when an item with active
hot links changes. See hotLinkUpdate for information about that member.
There is no need for this member to call the IDDERequestDataEvent::requestAck
member because the topic server does this automatically for all hot links that
have pacing active. (The server can request an acknowledgment even if pacing is
not active.) For hot links that have pacing active and an outstanding
acknowledgment, the update is not sent. See requestAck for information about
that member.
When the acknowledgment is received, the topic server requests the latest
update if the data has changed while the acknowledgment was outstanding. In
these cases, if true is specified for the useEventThread argument of the
IDDETopicServer constructor, this member is called on a secondary thread;
otherwise, it is called in the main thread.
Note: The IDDETopicServer::hotLinkUpdate and IDDETopicServer::endConversation
members must not be called from this member. Otherwise, a dead-lock can occur.
See hotLinkUpdate and endConversation for information about those members.
protected:
virtual void
requestHotLinkData( IDDERequestDataEvent& event);
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ΓòÉΓòÉΓòÉ 1.23.27. IDDETopicServer::serverHandle ΓòÉΓòÉΓòÉ
Returns the window handle of the topic server. This is provided along with the
IDDETopicServer::beginConversation member to allow a topic server to get in
conversation with a client without engaging in the normal conversation
initialization. Only a client is normally allowed to initiate a conversation.
See beginConversation for information about that member.
public:
IWindowHandle serverHandle() const;
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ΓòÉΓòÉΓòÉ 1.23.28. IDDETopicServer::topic ΓòÉΓòÉΓòÉ
Returns the name of the supported topic.
public:
IString topic() const;
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ΓòÉΓòÉΓòÉ 1.23.29. IDDETopicServer::~IDDETopicServer ΓòÉΓòÉΓòÉ
The destructor will end all conversations with all DDE client applications as
part of its cleanup.
public:
virtual ~IDDETopicServer();
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