Delphi Magazine Collection 2001/Delphi Magazine Collection 20001 (2001).iso/DISKS/Issue61/BHO/pSimpleBHO_TLB.pas

Pascal/Delphi Source File | 2000-06-17 | 13.9 KB | 434 lines

unit pSimpleBHO_TLB;

// ************************************************************************ //
// WARNING
// -------
// The types declared in this file were generated from data read from a
// Type Library. If this type library is explicitly or indirectly (via
// another type library referring to this type library) re-imported, or the
// 'Refresh' command of the Type Library Editor activated while editing the
// Type Library, the contents of this file will be regenerated and all
// manual modifications will be lost.
// ************************************************************************ //

// PASTLWTR : $Revision:   1.88  $
// File generated on 7/7/00 11:34:11 AM from Type Library described below.

// *************************************************************************//
// NOTE:
// Items guarded by $IFDEF_LIVE_SERVER_AT_DESIGN_TIME are used by properties
// which return objects that may need to be explicitly created via a function
// call prior to any access via the property. These items have been disabled
// in order to prevent accidental use from within the object inspector. You
// may enable them by defining LIVE_SERVER_AT_DESIGN_TIME or by selectively
// removing them from the $IFDEF blocks. However, such items must still be
// programmatically created via a method of the appropriate CoClass before
// they can be used.
// ************************************************************************ //
// Type Lib: F:\Program Files\Borland\Delphi5\Projects\BHO\pSimpleBHO.tlb (1)
// IID\LCID: {5476D9C0-444E-11D4-ACEF-080000178968}\0
// Helpfile:
// DepndLst:
//   (1) v2.0 stdole, (E:\WINNT\System32\StdOle2.Tlb)
//   (2) v4.0 StdVCL, (E:\WINNT\System32\STDVCL40.DLL)
// ************************************************************************ //
{$TYPEDADDRESS OFF} // Unit must be compiled without type-checked pointers.
interface

uses Windows, ActiveX, Classes, Graphics, OleServer, OleCtrls, StdVCL;

// *********************************************************************//
// GUIDS declared in the TypeLibrary. Following prefixes are used:
//   Type Libraries     : LIBID_xxxx
//   CoClasses          : CLASS_xxxx
//   DISPInterfaces     : DIID_xxxx
//   Non-DISP interfaces: IID_xxxx
// *********************************************************************//
const
  // TypeLibrary Major and minor versions
  pSimpleBHOMajorVersion = 1;
  pSimpleBHOMinorVersion = 0;

  LIBID_pSimpleBHO: TGUID = '{5476D9C0-444E-11D4-ACEF-080000178968}';

  IID_IMyBHO: TGUID = '{5476D9C1-444E-11D4-ACEF-080000178968}';
  CLASS_MyBHO: TGUID = '{5476D9C3-444E-11D4-ACEF-080000178968}';
  IID_IInfoBHO: TGUID = '{5476D9CA-444E-11D4-ACEF-080000178968}';
  CLASS_InfoBHO: TGUID = '{5476D9CC-444E-11D4-ACEF-080000178968}';
type

// *********************************************************************//
// Forward declaration of types defined in TypeLibrary
// *********************************************************************//
  IMyBHO = interface;
  IInfoBHO = interface;
  IInfoBHODisp = dispinterface;

// *********************************************************************//
// Declaration of CoClasses defined in Type Library
// (NOTE: Here we map each CoClass to its Default Interface)
// *********************************************************************//
  MyBHO = IMyBHO;
  InfoBHO = IInfoBHO;


// *********************************************************************//
// Interface: IMyBHO
// Flags:     (256) OleAutomation
// GUID:      {5476D9C1-444E-11D4-ACEF-080000178968}
// *********************************************************************//
  IMyBHO = interface(IUnknown)
    ['{5476D9C1-444E-11D4-ACEF-080000178968}']
  end;

// *********************************************************************//
// Interface: IInfoBHO
// Flags:     (4416) Dual OleAutomation Dispatchable
// GUID:      {5476D9CA-444E-11D4-ACEF-080000178968}
// *********************************************************************//
  IInfoBHO = interface(IDispatch)
    ['{5476D9CA-444E-11D4-ACEF-080000178968}']
  end;

// *********************************************************************//
// DispIntf:  IInfoBHODisp
// Flags:     (4416) Dual OleAutomation Dispatchable
// GUID:      {5476D9CA-444E-11D4-ACEF-080000178968}
// *********************************************************************//
  IInfoBHODisp = dispinterface
    ['{5476D9CA-444E-11D4-ACEF-080000178968}']
  end;

// *********************************************************************//
// The Class CoMyBHO provides a Create and CreateRemote method to
// create instances of the default interface IMyBHO exposed by
// the CoClass MyBHO. The functions are intended to be used by
// clients wishing to automate the CoClass objects exposed by the
// server of this typelibrary.
// *********************************************************************//
  CoMyBHO = class
    class function Create: IMyBHO;
    class function CreateRemote(const MachineName: string): IMyBHO;
  end;


// *********************************************************************//
// OLE Server Proxy class declaration
// Server Object    : TMyBHO
// Help String      : MyBHO Object
// Default Interface: IMyBHO
// Def. Intf. DISP? : No
// Event   Interface:
// TypeFlags        : (2) CanCreate
// *********************************************************************//
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
  TMyBHOProperties= class;
{$ENDIF}
  TMyBHO = class(TOleServer)
  private
    FIntf:        IMyBHO;
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
    FProps:       TMyBHOProperties;
    function      GetServerProperties: TMyBHOProperties;
{$ENDIF}
    function      GetDefaultInterface: IMyBHO;
  protected
    procedure InitServerData; override;
  public
    constructor Create(AOwner: TComponent); override;
    destructor  Destroy; override;
    procedure Connect; override;
    procedure ConnectTo(svrIntf: IMyBHO);
    procedure Disconnect; override;
    property  DefaultInterface: IMyBHO read GetDefaultInterface;
  published
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
    property Server: TMyBHOProperties read GetServerProperties;
{$ENDIF}
  end;

{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
// *********************************************************************//
// OLE Server Properties Proxy Class
// Server Object    : TMyBHO
// (This object is used by the IDE's Property Inspector to allow editing
//  of the properties of this server)
// *********************************************************************//
 TMyBHOProperties = class(TPersistent)
  private
    FServer:    TMyBHO;
    function    GetDefaultInterface: IMyBHO;
    constructor Create(AServer: TMyBHO);
  protected
  public
    property DefaultInterface: IMyBHO read GetDefaultInterface;
  published
  end;
{$ENDIF}


// *********************************************************************//
// The Class CoInfoBHO provides a Create and CreateRemote method to
// create instances of the default interface IInfoBHO exposed by
// the CoClass InfoBHO. The functions are intended to be used by
// clients wishing to automate the CoClass objects exposed by the
// server of this typelibrary.
// *********************************************************************//
  CoInfoBHO = class
    class function Create: IInfoBHO;
    class function CreateRemote(const MachineName: string): IInfoBHO;
  end;


// *********************************************************************//
// OLE Server Proxy class declaration
// Server Object    : TInfoBHO
// Help String      : InfoBHO Object
// Default Interface: IInfoBHO
// Def. Intf. DISP? : No
// Event   Interface:
// TypeFlags        : (2) CanCreate
// *********************************************************************//
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
  TInfoBHOProperties= class;
{$ENDIF}
  TInfoBHO = class(TOleServer)
  private
    FIntf:        IInfoBHO;
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
    FProps:       TInfoBHOProperties;
    function      GetServerProperties: TInfoBHOProperties;
{$ENDIF}
    function      GetDefaultInterface: IInfoBHO;
  protected
    procedure InitServerData; override;
  public
    constructor Create(AOwner: TComponent); override;
    destructor  Destroy; override;
    procedure Connect; override;
    procedure ConnectTo(svrIntf: IInfoBHO);
    procedure Disconnect; override;
    property  DefaultInterface: IInfoBHO read GetDefaultInterface;
  published
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
    property Server: TInfoBHOProperties read GetServerProperties;
{$ENDIF}
  end;

{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
// *********************************************************************//
// OLE Server Properties Proxy Class
// Server Object    : TInfoBHO
// (This object is used by the IDE's Property Inspector to allow editing
//  of the properties of this server)
// *********************************************************************//
 TInfoBHOProperties = class(TPersistent)
  private
    FServer:    TInfoBHO;
    function    GetDefaultInterface: IInfoBHO;
    constructor Create(AServer: TInfoBHO);
  protected
  public
    property DefaultInterface: IInfoBHO read GetDefaultInterface;
  published
  end;
{$ENDIF}


procedure Register;

implementation

uses ComObj;

class function CoMyBHO.Create: IMyBHO;
begin
  Result := CreateComObject(CLASS_MyBHO) as IMyBHO;
end;

class function CoMyBHO.CreateRemote(const MachineName: string): IMyBHO;
begin
  Result := CreateRemoteComObject(MachineName, CLASS_MyBHO) as IMyBHO;
end;

procedure TMyBHO.InitServerData;
const
  CServerData: TServerData = (
    ClassID:   '{5476D9C3-444E-11D4-ACEF-080000178968}';
    IntfIID:   '{5476D9C1-444E-11D4-ACEF-080000178968}';
    EventIID:  '';
    LicenseKey: nil;
    Version: 500);
begin
  ServerData := @CServerData;
end;

procedure TMyBHO.Connect;
var
  punk: IUnknown;
begin
  if FIntf = nil then
  begin
    punk := GetServer;
    Fintf:= punk as IMyBHO;
  end;
end;

procedure TMyBHO.ConnectTo(svrIntf: IMyBHO);
begin
  Disconnect;
  FIntf := svrIntf;
end;

procedure TMyBHO.DisConnect;
begin
  if Fintf <> nil then
  begin
    FIntf := nil;
  end;
end;

function TMyBHO.GetDefaultInterface: IMyBHO;
begin
  if FIntf = nil then
    Connect;
  Assert(FIntf <> nil, 'DefaultInterface is NULL. Component is not connected to Server. You must call ''Connect'' or ''ConnectTo'' before this operation');
  Result := FIntf;
end;

constructor TMyBHO.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
  FProps := TMyBHOProperties.Create(Self);
{$ENDIF}
end;

destructor TMyBHO.Destroy;
begin
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
  FProps.Free;
{$ENDIF}
  inherited Destroy;
end;

{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
function TMyBHO.GetServerProperties: TMyBHOProperties;
begin
  Result := FProps;
end;
{$ENDIF}

{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
constructor TMyBHOProperties.Create(AServer: TMyBHO);
begin
  inherited Create;
  FServer := AServer;
end;

function TMyBHOProperties.GetDefaultInterface: IMyBHO;
begin
  Result := FServer.DefaultInterface;
end;

{$ENDIF}

class function CoInfoBHO.Create: IInfoBHO;
begin
  Result := CreateComObject(CLASS_InfoBHO) as IInfoBHO;
end;

class function CoInfoBHO.CreateRemote(const MachineName: string): IInfoBHO;
begin
  Result := CreateRemoteComObject(MachineName, CLASS_InfoBHO) as IInfoBHO;
end;

procedure TInfoBHO.InitServerData;
const
  CServerData: TServerData = (
    ClassID:   '{5476D9CC-444E-11D4-ACEF-080000178968}';
    IntfIID:   '{5476D9CA-444E-11D4-ACEF-080000178968}';
    EventIID:  '';
    LicenseKey: nil;
    Version: 500);
begin
  ServerData := @CServerData;
end;

procedure TInfoBHO.Connect;
var
  punk: IUnknown;
begin
  if FIntf = nil then
  begin
    punk := GetServer;
    Fintf:= punk as IInfoBHO;
  end;
end;

procedure TInfoBHO.ConnectTo(svrIntf: IInfoBHO);
begin
  Disconnect;
  FIntf := svrIntf;
end;

procedure TInfoBHO.DisConnect;
begin
  if Fintf <> nil then
  begin
    FIntf := nil;
  end;
end;

function TInfoBHO.GetDefaultInterface: IInfoBHO;
begin
  if FIntf = nil then
    Connect;
  Assert(FIntf <> nil, 'DefaultInterface is NULL. Component is not connected to Server. You must call ''Connect'' or ''ConnectTo'' before this operation');
  Result := FIntf;
end;

constructor TInfoBHO.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
  FProps := TInfoBHOProperties.Create(Self);
{$ENDIF}
end;

destructor TInfoBHO.Destroy;
begin
{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
  FProps.Free;
{$ENDIF}
  inherited Destroy;
end;

{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
function TInfoBHO.GetServerProperties: TInfoBHOProperties;
begin
  Result := FProps;
end;
{$ENDIF}

{$IFDEF LIVE_SERVER_AT_DESIGN_TIME}
constructor TInfoBHOProperties.Create(AServer: TInfoBHO);
begin
  inherited Create;
  FServer := AServer;
end;

function TInfoBHOProperties.GetDefaultInterface: IInfoBHO;
begin
  Result := FServer.DefaultInterface;
end;

{$ENDIF}

procedure Register;
begin
  RegisterComponents('Servers',[TMyBHO, TInfoBHO]);
end;

end.