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procedure TForm1.Button1Click(Sender: TObject);
var aHandle: THandle;
begin



aHandle:=FindWindow(nil,pchar('Audio Mid Recorder - Runtime'));
//aHandle:=FindWindow(nil,pchar('Arbeitsplatz'));

if aHandle <> 0 then
   begin
   showmessage('gefunden');

   PostMessage(aHandle, WM_KEYDOWN, VK_LCONTROL, 0);
   PostMessage(aHandle, WM_KEYDOWN, VK_F4, 0);
   PostMessage(aHandle, WM_KEYUP  , VK_F4, 0);
   PostMessage(aHandle, WM_KEYUP  , VK_LCONTROL , 0);
   end else
   showmessage('nicht gefunden');



end;