PC Plus SuperCD (UK) 1997 May

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Microsoft Windows Help File Content | 1996-08-12 | 9.9 KB | 227 lines

:Base CWG.HLP :Title Component Writer's Help 1 Delphi Component Writer's Guide 2 Introduction to component writing 3 What is a component? 4 Functional definition=cwgFunctionalDefinitionOfComponent 4 Technical definition=cwgTechnicalDefinitionOfComponent 4 Component writer's definition=cwgPracticalDefinitionOfComponent 3 What s different about writing components? 4 Component writing is nonvisual=cwgComponentWritingIsNonVisual 4 Component writing requires deeper knowledge of objects=cwgComponentWritingAndObjects 4 Component writing follows more conventions=cwgComponentWritingConventions 3 The parts of a component=cwgWhatGoesInAComponent 2 Overview of component creation 3 The Visual Component Library=cwgTheVisualComponentLibrary 3 Components and objects=cwgComponentsAndObjects 3 How do you create components?=cwgWhatKindsOfComponentsCanYouCreate 3 How do you create components?=cwgWhatKindsOfComponentsCanYouCreate 3 Component starting points 4 Modifying existing controls=cwgCustomControls 4 Creating original controls=cwgWindowedControls 4 Creating graphic controls=cwgGraphicalControls 4 Subclassing Windows controls=cwgSubclassedControls 4 Creating nonvisual components=cwgGenericComponents 3 What goes in a component? 4 What goes in a component?=cwgWhatGoesInAComponent 4 Removing dependencies=cwgRemovingContracts 4 Properties and events and methods=cwgPropertiesEventsAndMethods 4 Graphics encapsulation=cwgGraphicsEncapsulation 4 Registration Overview=cwgStreamingAndRegistration 3 Creating a new component 4 Creating a new component=cwgCreatingANewComponent 4 Using the Component Expert=cwgUsingTheComponentExpert 4 Testing uninstalled components=cwgTestingUninstalledComponents 4 Creating a component manually 5 Creating a component manually=cwgCreatingAComponentManually 5 Creating a new unit=cwgCreatingANewUnit 5 Deriving the component object=cwgDerivingTheComponentObject 5 Registering the component=cwgRegisteringTheComponent 2 OOP for component writers 3 OOP for component writers=cwgOOPForComponentWriters 3 Creating components=cwgCreatingComponents 3 Deriving new types=cwgDerivingNewTypes 3 Ancestors and descendants=cwgAncestorsAndDescendants 3 Object hierarchies=cwgObjectHierarchies 3 Controlling access=cwgControllingAccess 3 Dispatching methods=cwgDispatchingMethods 3 Objects and pointers=cwgObjectsAndPointers 2 Creating properties 3 Why create properties?=cwgPropertyWhy 3 Types of properties=cwgPropertyTypes 3 Publishing inherited properties=cwgPublishingInheritedProperties 3 Defining component properties 4 Defining component properties=cwgDefiningProperties 4 The property declaration=cwgPropertyDeclaration 4 Internal data storage (properties)=cwgPropertyStorage 4 Direct access=cwgDirectAccess 4 Acces methods (properties)=cwgPropertyMethods 4 Default property values=cwgDefaultPropertyValues 4 Creating array properties=cwgCreatingIndexedProperties 3 Writing property editors 4 Writing property editors=cwgWritingPropertyEditors 4 Deriving a property-editor object=cwgDerivingAPropertyEditorObject 4 Editing the property as text=cwgEditingThePropertyAsText 4 Editing the property as a whole=cwgEditingThePropertyAsAWhole 4 Specifying editor attributes=cwgSpecifyingEditorAttributes 4 Registering the property editor=cwgRegisteringThePropertyEditor 2 Creating events 3 Creating events=cwgCreatingEvents 3 What are events? 4 What are events?=cwgWhatAreEvents 4 Events are method pointers=cwgEventsAreMethodPointers 4 Events are properties=cwgEventsAreProperties 4 Event-handler types=cwgEventHandlerTypes 4 Event handlers are optional=cwgEventHandlersAreOptional 3 Implementing the standard events 4 Implementing the standard events=cwgImplementingTheStandardEvents 4 What are the standard events?=cwgWhatAreTheStandardEvents 4 Making events visible=cwgMakingEventHooksVisible 4 Changing the standard event handling=cwgChangingTheStandardEventHandling 3 Defining your own events 4 Triggering the event=cwgSpecifyingTheEvent 4 Defining the handler type=cwgDefiningTheHandlerType 4 Declaring the event=cwgDeclaringTheHandlerLink 4 Calling the event=cwgCallingTheHandlerLink 2 Creating methods 3 Creating methods=cwgCreatingMethods 3 Avoiding interdependencies=cwgAvoidContracts 3 Naming methods=cwgNamingMethods 3 Protecting methods=cwgPublicOrProtected 3 Making methods virtual=cwgVirtualMethods 3 Declaring methods=cwgDeclaringMethods 2 Using graphics in components 3 Using graphics in components=cwgUsingGraphicsInComponents 3 Overview of Delphi graphics=cwgOverviewOfGraphics 3 Using the canvas=cwgUsingTheCanvas 3 Working with pictures=cwgWorkingWithPictures 3 Offscreen bitmaps=cwgOffscreenBitmaps 3 Responding to changes=cwgRespondingToChanges 2 Handling messages 3 Handling messages=cwgRespondingToMessages 3 Understanding the message-handling system 4 Understanding the message-handling system=cwgUnderstandingMessages 4 What's in a Windows message?=cwgWhatsInAWindowsMessage 4 Dispatching messages=cwgDispatchingMessages 3 Changing message handling 4 Changing message handling=cwgChangingMessageHandling 4 Overriding the handler method=cwgOverridingTheResponseMethod 4 Using message parameters=cwgUsingMessageParameters 4 Trapping messages=cwgTrappingMessages 3 Creating new message handlers 4 Creating new message handlers=cwgCreatingNewMessageHandlers 4 Defining your own messages=cwgDefiningYourOwnMessages 4 Declaring a new message-handling method=cwgDeclaringANewMessageResponseMethod 2 Registering components 3 Registering components=cwgComponentsInTheIDE 3 Registering components with Delphi=cwgRegisteringComponentsWithTheIDE 3 Adding palette bitmaps=cwgAddingPaletteBitmaps 3 Providing Help on properties and events=cwgProvidingHelpOnProperties 3 Storing and loading properties=cwgStoringAndLoadingProperties 2 Component writer's reference 3 Component writer's reference=cwgComponentWritersReference 3 Components 4 TApplication=vclTApplicationComponent 4 TBevel=vclTBevelComponent 4 TButton=vclTButtonComponent 4 TButtonControl=vclTButtonControlComponent 4 TCommonDialog=vclTCommonDialogComponent 4 TComponent=vclTComponentComponent 4 TControl=vclTControlComponent 4 TCustomCheckBox=vclTCustomCheckBoxComponent 4 TCustomComboBox=vclTCustomComboBoxComponent 4 TCustomControl=vclTCustomControlComponent 4 TCustomEdit=vclTCustomEditComponent 4 TCustomGrid=vclTCustomGridComponent 4 TCustomGroupBox=vclTCustomGroupBoxComponent 4 TCustomLabel=vclTCustomLabelComponent 4 TCustomListBox=vclTCustomListBoxComponent 4 TCustomMaskEdit=vclTCustomMaskEditComponent 4 TCustomMemo=vclTCustomMemoComponent 4 TCustomOutline=vclTCustomOutlineComponent 4 TCustomPanel=vclTCustomPanelComponent 4 TCustomRadioGroup=vclTCustomRadioGroupComponent 4 TFindDialog=vclTFindDialogComponent 4 TFontDialog=vclTFontDialogComponent 4 TForm=vclTFormComponent 4 TGraphicControl=vclTGraphicControlComponent 4 THeader=vclTHeaderComponent 4 THintWindow=vclTHintWindowComponent 4 TImage=vclTImageComponent 4 TInplaceEdit=vclTInplaceEditComponent 4 TMediaPlayer=vclTMediaPlayerComponent 4 TMemo=vclTMemoComponent 4 TMenu=vclTMenuComponent 4 TMenuItem=vclTMenuItemComponent 4 TNotebook=vclTNotebookComponent 4 TPaintBox=vclTPaintBoxComponent 4 TRadioButton=vclTRadioButtonComponent 4 TReplaceDialog=vclTReplaceDialogComponent 4 TScrollBar=vclTScrollBarComponent 4 TScrollBox=vclTScrollBoxComponent 4 TScrollingWinControl=vclTScrollingWinControlComponent 4 TShape=vclTShapeComponent 4 TTabSet=vclTTabSetComponent 4 TTimer=vclTTimerComponent 4 TWinControl=vclTWinControlComponent 3 Objects 4 TBitmap=vclTBitmapObject 4 TCanvas=vclTCanvasObject 4 TCaptionProperty=vclTCaptionPropertyObject 4 TCharProperty=vclTCharPropertyObject 4 TClassProperty=vclTClassPropertyObject 4 TColorProperty=vclTColorPropertyObject 4 TComponentEditor=vclTComponentEditorObject 4 TComponentList=vclTComponentListObject 4 TComponentProperty=vclTComponentPropertyObject 4 TControlCanvas=vclTControlCanvasObject 4 TCursorProperty=vclTCursorPropertyObject 4 TDefaultEditor=vclTDefaultEditorObject 4 TDesigner=vclTDesignerObject 4 TEnumProperty=vclTEnumPropertyObject 4 TFiler=vclTFilerObject 4 TFileStream=vclTFileStreamObject 4 TFloatProperty=vclTFloatPropertyObject 4 TFontProperty=vclTFontPropertyObject 4 TFontNameProperty=vclTFontNamePropertyObject 4 TFormDesigner=vclTFormDesignerObject 4 TGraphic=vclTGraphicObject 4 THandleStream=vclTHandleStreamObject 4 TIcon=vclTIconObject 4 TIntegerProperty=vclTIntegerPropertyObject 4 TMemoryStream=vclTMemoryStreamObject 4 TMetafile=vclTMetafileObject 4 TMethodProperty=vclTMethodPropertyObject 4 TModalResultProperty=vclTModalResultPropertyObject 4 TMPFileNameProperty=vclTMPFileNamePropertyObject 4 TObject=vclTObjectObject 4 TOrdinalProperty=vclTOrdinalPropertyObject 4 TPersistent=vclTPersistentObject 4 TPicture=vclTPictureObject 4 TPropertyEditor=vclTPropertyEditorObject 4 TReader=vclTReaderObject 4 TSetElementProperty=vclTSetElementPropertyObject 4 TSetProperty=vclTSetPropertyObject 4 TShortCutProperty=vclTShortCutPropertyObject 4 TStream=vclTStreamObject 4 TStringProperty=vclTStringPropertyObject 4 TTabOrderProperty=vclTTabOrderPropertyObject 4 TWriter=vclTWriterObject 3 Routines 4 DrawButtonFace=vclDrawButtonFaceFunction 4 FindDragTarget=vclFindDragTargetFunction 4 FormatMaskText=vclFormatMaskTextFunction 4 GetComponentEditor=vclGetComponentEditorFunction 4 GetComponentProperties=vclGetComponentPropertiesProcedure 4 GetCursorValues=vclGetCursorValuesProcedure 4 IdentToCursor=vclIdentToCursorFunction 4 MaskGetFldSeparator=vclMaskGetFldSeparatorFunction 4 MaskGetMaskBlank=vclMaskGetMaskBlankFunction 4 MaskGetMaskSave=vclMaskGetMaskSaveFunction 4 RegisterComponentEditor=vclRegisterComponentEditorProcedure 4 RegisterComponents=vclRegisterComponentsProcedure 4 RegisterPropertyEditor=vclRegisterPropertyEditorProcedure 4 SetCaptureControl=vclSetCaptureControlProcedure 4 StringToCursor=vclStringToCursorFunction