afrm_tlb.pas

《Delphi开发人员指南》配书原码

    property Enabled: WordBool read Get_Enabled write Set_Enabled;
    property BiDiMode: TxBiDiMode read Get_BiDiMode write Set_BiDiMode;
    property Cursor: Smallint read Get_Cursor write Set_Cursor;
    property ButtonCaption: WideString read Get_ButtonCaption write Set_ButtonCaption;
  end;

// *********************************************************************//
// DispIntf:  IActiveFormXDisp
// Flags:     (4416) Dual OleAutomation Dispatchable
// GUID:      {7B33D95F-0A2C-11D2-AE5C-04640BC10000}
// *********************************************************************//
  IActiveFormXDisp = dispinterface
    ['{7B33D95F-0A2C-11D2-AE5C-04640BC10000}']
    property Visible: WordBool dispid 1;
    property AutoScroll: WordBool dispid 2;
    property AutoSize: WordBool dispid 3;
    property AxBorderStyle: TxActiveFormBorderStyle dispid 4;
    property Caption: WideString dispid -518;
    property Color: OLE_COLOR dispid -501;
    property Font: IFontDisp dispid -512;
    property KeyPreview: WordBool dispid 5;
    property PixelsPerInch: Integer dispid 6;
    property PrintScale: TxPrintScale dispid 7;
    property Scaled: WordBool dispid 8;
    property Active: WordBool readonly dispid 9;
    property DropTarget: WordBool dispid 10;
    property HelpFile: WideString dispid 11;
    property DoubleBuffered: WordBool dispid 12;
    property Enabled: WordBool dispid -514;
    property BiDiMode: TxBiDiMode dispid 13;
    property Cursor: Smallint dispid 14;
    procedure AboutBox; dispid -552;
    property ButtonCaption: WideString dispid 15;
  end;

// *********************************************************************//
// DispIntf:  IActiveFormXEvents
// Flags:     (4096) Dispatchable
// GUID:      {7B33D961-0A2C-11D2-AE5C-04640BC10000}
// *********************************************************************//
  IActiveFormXEvents = dispinterface
    ['{7B33D961-0A2C-11D2-AE5C-04640BC10000}']
    procedure OnActivate; dispid 1;
    procedure OnClick; dispid 2;
    procedure OnCreate; dispid 3;
    procedure OnDblClick; dispid 4;
    procedure OnDestroy; dispid 5;
    procedure OnDeactivate; dispid 6;
    procedure OnKeyPress(var Key: Smallint); dispid 10;
    procedure OnPaint; dispid 15;
  end;


// *********************************************************************//
// OLE Control Proxy class declaration
// Control Name     : TActiveFormX
// Help String      : ActiveFormX Control
// Default Interface: IActiveFormX
// Def. Intf. DISP? : No
// Event   Interface: IActiveFormXEvents
// TypeFlags        : (34) CanCreate Control
// *********************************************************************//
  TActiveFormXOnKeyPress = procedure(Sender: TObject; var Key: Smallint) of object;

  TActiveFormX = class(TOleControl)
  private
    FOnActivate: TNotifyEvent;
    FOnClick: TNotifyEvent;
    FOnCreate: TNotifyEvent;
    FOnDblClick: TNotifyEvent;
    FOnDestroy: TNotifyEvent;
    FOnDeactivate: TNotifyEvent;
    FOnKeyPress: TActiveFormXOnKeyPress;
    FOnPaint: TNotifyEvent;
    FIntf: IActiveFormX;
    function  GetControlInterface: IActiveFormX;
  protected
    procedure CreateControl;
    procedure InitControlData; override;
  public
    procedure AboutBox;
    property  ControlInterface: IActiveFormX read GetControlInterface;
    property  DefaultInterface: IActiveFormX read GetControlInterface;
    property Visible: WordBool index 1 read GetWordBoolProp write SetWordBoolProp;
    property Active: WordBool index 9 read GetWordBoolProp;
    property DropTarget: WordBool index 10 read GetWordBoolProp write SetWordBoolProp;
    property HelpFile: WideString index 11 read GetWideStringProp write SetWideStringProp;
    property DoubleBuffered: WordBool index 12 read GetWordBoolProp write SetWordBoolProp;
    property Enabled: WordBool index -514 read GetWordBoolProp write SetWordBoolProp;
    property BiDiMode: TOleEnum index 13 read GetTOleEnumProp write SetTOleEnumProp;
  published
    property AutoScroll: WordBool index 2 read GetWordBoolProp write SetWordBoolProp stored False;
    property AutoSize: WordBool index 3 read GetWordBoolProp write SetWordBoolProp stored False;
    property AxBorderStyle: TOleEnum index 4 read GetTOleEnumProp write SetTOleEnumProp stored False;
    property Caption: WideString index -518 read GetWideStringProp write SetWideStringProp stored False;
    property Color: TColor index -501 read GetTColorProp write SetTColorProp stored False;
    property Font: TFont index -512 read GetTFontProp write SetTFontProp stored False;
    property KeyPreview: WordBool index 5 read GetWordBoolProp write SetWordBoolProp stored False;
    property PixelsPerInch: Integer index 6 read GetIntegerProp write SetIntegerProp stored False;
    property PrintScale: TOleEnum index 7 read GetTOleEnumProp write SetTOleEnumProp stored False;
    property Scaled: WordBool index 8 read GetWordBoolProp write SetWordBoolProp stored False;
    property Cursor: Smallint index 14 read GetSmallintProp write SetSmallintProp stored False;
    property ButtonCaption: WideString index 15 read GetWideStringProp write SetWideStringProp stored False;
    property OnActivate: TNotifyEvent read FOnActivate write FOnActivate;
    property OnClick: TNotifyEvent read FOnClick write FOnClick;
    property OnCreate: TNotifyEvent read FOnCreate write FOnCreate;
    property OnDblClick: TNotifyEvent read FOnDblClick write FOnDblClick;
    property OnDestroy: TNotifyEvent read FOnDestroy write FOnDestroy;
    property OnDeactivate: TNotifyEvent read FOnDeactivate write FOnDeactivate;
    property OnKeyPress: TActiveFormXOnKeyPress read FOnKeyPress write FOnKeyPress;
    property OnPaint: TNotifyEvent read FOnPaint write FOnPaint;
  end;

procedure Register;

implementation

uses ComObj;

procedure TActiveFormX.InitControlData;
const
  CEventDispIDs: array [0..7] of DWORD = (
    $00000001, $00000002, $00000003, $00000004, $00000005, $00000006,
    $0000000A, $0000000F);
  CTFontIDs: array [0..0] of DWORD = (
    $FFFFFE00);
  CControlData: TControlData2 = (
    ClassID: '{7B33D963-0A2C-11D2-AE5C-04640BC10000}';
    EventIID: '{7B33D961-0A2C-11D2-AE5C-04640BC10000}';
    EventCount: 8;
    EventDispIDs: @CEventDispIDs;
    LicenseKey: nil (*HR:$80040154*);
    Flags: $0000001D;
    Version: 401;
    FontCount: 1;
    FontIDs: @CTFontIDs);
begin
  ControlData := @CControlData;
  TControlData2(CControlData).FirstEventOfs := Cardinal(@@FOnActivate) - Cardinal(Self);
end;

procedure TActiveFormX.CreateControl;

  procedure DoCreate;
  begin
    FIntf := IUnknown(OleObject) as IActiveFormX;
  end;

begin
  if FIntf = nil then DoCreate;
end;

function TActiveFormX.GetControlInterface: IActiveFormX;
begin
  CreateControl;
  Result := FIntf;
end;

procedure TActiveFormX.AboutBox;
begin
  DefaultInterface.AboutBox;
end;

procedure Register;
begin
  RegisterComponents('ActiveX',[TActiveFormX]);
end;

end.