Как скрыть часы в панели задач?

Code:

procedure TForm1.Button1Click(Sender: TObject);

var hn: HWnd;

begin

hn := FindWindowEx(FindWindowEx(FindWindow('Shell_TrayWnd', nil), 0, 'TrayNotifyWnd', nil), 0, 'TrayClockWClass', nil);

if hn <> 0 then

   ShowWindow(hn, SW_HIDE); //Bye,bye,Baby

end;

Code:

procedure TForm1.Button2Click(Sender: TObject);

var hn: HWnd;

begin

hn := FindWindowEx(FindWindowEx(FindWindow('Shell_TrayWnd', nil), 0, 'TrayNotifyWnd', nil), 0, 'TrayClockWClass', nil);

if hn <> 0 then

   ShowWindow(hn, SW_SHOW); //Hello, again

end;