List of running applications?

[Razor]

I've already tried canvas.textout(x,y,text) but this only works when there is no bitmap loaded

Delphi-Quellcode:

unit ImgBtn;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ExtCtrls;

type
  TOnMouseEvent = procedure( Msg: TWMMouse ) of object;

  TImgBtn = class( TImage )
  protected
    procedure WMMouseEnter( var Msg : TWMMouse ); message CM_MOUSEENTER;
    procedure WMMouseLeave( var Msg : TWMMouse ); message CM_MOUSELEAVE;
    procedure WMLButtonUp( var Msg : TWMLButtonUp ); message WM_LBUTTONUP;
    procedure WMLButtonDown( var Msg : TWMLButtonUp ); message WM_LBUTTONDOWN;
  private
    FEntered : boolean;
    FDown : boolean;
    FOnMouseEnter : TOnMouseEvent;
    FOnMouseLeave : TOnMouseEvent;
    FOnMouseDown  : TOnMouseEvent;
    FOnMouseUp    : TOnMouseEvent;
    FPic : TPicture;
    FPicDown : TPicture;
    FPicUp : TPicture;
    FSupported : boolean;
    procedure SetPic( Value : TPicture );
    procedure SetPicDown( Value : TPicture );
    procedure SetPicUp( Value : TPicture );
  public
    constructor Create( AOwner: TComponent ); override;
    destructor Destroy; override;
  published
    //** Images **//
    property Pic : TPicture read FPic write SetPic;
    property PicDown : TPicture read FPicDown write SetPicDown;
    property PicUp : TPicture read FPicUp write SetPicUp;
    //** Events **//
    property OnMouseDown : TOnMouseEvent read FOnMouseDown write FOnMouseDown;
    property OnMouseEnter : TOnMouseEvent read FOnMouseEnter write FOnMouseEnter;
    property OnMouseLeave : TOnMouseEvent read FOnMouseLeave write FOnMouseLeave;
    property OnMouseUp : TOnMouseEvent read FOnMouseUp write FOnMouseUp;
    property Supported : boolean read FSupported write FSupported;
  end;

procedure Register;

implementation
{$R *.RES}

(*******************************************************************************)
procedure Register;
begin
  RegisterComponents( 'Plus', [ TImgBtn ] );
end;

(*******************************************************************************)
constructor TImgBtn.Create;
begin
  inherited;
  FPic := TPicture.Create;
  FPicUp := TPicture.Create;
  FPicDown := TPicture.Create;
  FEntered := False;
  FDown := False;
  FSupported := True;
end;

(*******************************************************************************)
destructor TImgBtn.Destroy;
begin
  FPic.Free;
  FPicDown.Free;
  FPicUp.Free;
  inherited;
end;

(*******************************************************************************)
procedure TImgBtn.WMMouseEnter( var Msg: TWMMouse );
begin
  if not FSupported then Exit;
  FEntered := True;
  if FDown then Picture := FPicDown else Picture := FPicUp;
  if Assigned( FOnMouseEnter ) then FOnMouseEnter( Msg );
end;

(*******************************************************************************)
procedure TImgBtn.WMMouseLeave( var Msg: TWMMouse );
begin
  if not FSupported then Exit;
  FEntered := False;
  Picture := FPic;
  if Assigned( FOnMouseLeave ) then FOnMouseLeave( Msg );
end;

(*******************************************************************************)
procedure TImgBtn.WMLButtonDown(var Msg: TWMMouse);
begin
  inherited;
  if not FSupported then Exit;
  FDown := True;
  if FEntered then Picture := FPicDown;
  if Assigned( FOnMouseDown ) then FOnMouseDown( Msg );
end;

(*******************************************************************************)
procedure TImgBtn.WMLButtonUp(var Msg: TWMMouse);
begin
  inherited;
  if not FSupported then Exit;
  FDown := False;
  if FEntered then Picture := FPicUp;
  if Assigned( FOnMouseUp ) then FOnMouseUp( Msg );
end;

(*******************************************************************************)
procedure TImgBtn.SetPic( Value : TPicture );
begin
  Picture := Value;
  FPic.Assign( Value );
end;

(*******************************************************************************)
procedure TImgBtn.SetPicDown( Value : TPicture );
begin
  FPicDown.Assign( Value );
end;

(*******************************************************************************)
procedure TImgBtn.SetPicUp( Value : TPicture );
begin
  FPicUp.Assign( Value );
end;

end.