var
bm: TBitmap;
procedure TForm1.FormCreate(Sender: TObject);
begin
bm := TBitmap.Create;
bm.LoadFromFile('C:\19.2.12.bmp');
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
bm.Free;
end;
procedure TForm1.FormShow(Sender: TObject);
begin
Canvas.Draw(10, 10, bm);
end;
//---------------------------------------------------------
//
Hier 3 Varianten, die zum
Erfolg führen:
//
Variante 1
const
ShowWM =
WM_USER +
111;
type
TForm1 =
class(TForm)
procedure
FormCreate(Sender:
TObject);
procedure
FormDestroy(Sender:
TObject);
procedure
FormShow(Sender:
TObject);
private
procedure
MyMSG(var
Msg:
TMessage);
message
ShowWM;
public
{ Public-Deklarationen }
end;
var
Form1:
TForm1;
implementation
{$R *.dfm}
var
bm:
TBitmap;
procedure
TForm1.FormCreate(Sender:
TObject);
begin
bm :=
TBitmap.Create;
bm.LoadFromFile('C:\19.2.12.bmp');
end;
procedure
TForm1.FormDestroy(Sender:
TObject);
begin
bm.Free;
end;
procedure
TForm1.FormShow(Sender:
TObject);
begin
PostMessage(Self.Handle,
ShowWM,
0,
0);
end;
procedure
TForm1.MyMSG(var
Msg:
TMessage);
begin
Canvas.Draw(10,
10,
bm);
end;
//----------------------------------------------------
//
Variante
2
var
bm:
TBitmap;
procedure
TForm1.FormCreate(Sender:
TObject);
begin
bm :=
TBitmap.Create;
bm.LoadFromFile('C:\19.2.12.bmp');
end;
procedure
TForm1.FormDestroy(Sender:
TObject);
begin
bm.Free;
end;
procedure
TForm1.FormShow(Sender:
TObject);
begin
SetWindowPos(handle,
HWND_TOP,
0,
0,
0,
0,
SWP_NOMOVE
or SWP_NOSIZE
or
SWP_SHOWWINDOW);
Canvas.Draw(10,
10,
bm);
end;
//----------------------------------------------------
// Variante
3
var
bm:
TBitmap;
procedure
TForm1.FormCreate(Sender:
TObject);
begin
bm :=
TBitmap.Create;
bm.LoadFromFile('C:\19.2.12.bmp');
end;
procedure
TForm1.FormDestroy(Sender:
TObject);
begin
bm.Free;
end;
procedure
TForm1.FormShow(Sender:
TObject);
begin
showwindow(handle,
SW_SHOW);
Canvas.Draw(10,
10,
bm);
end;