procedure TForm1.Cut1Click(Sender: TObject);

begin
  SendMessage (ActiveControl.Handle, WM_Cut, 0, 0);
end;


procedure TForm1.Copy1Click(Sender: TObject);
begin
  SendMessage (ActiveControl.Handle, WM_Copy, 0, 0);
end;

procedure TForm1.Paste1Click(Sender: TObject);
begin
  SendMessage (ActiveControl.Handle, WM_Paste, 0, 0);
end;