Как обновить рабочий стол (Desktop)

Компилятор: Delphi

Способ 1:

procedure TForm1.Button1Click(Sender: TObject);
begin
  SendMessage(FindWindow('Progman', 'Program Manager'),
              WM_COMMAND,
              $A065,
              0);
end;

Способ 2:

procedure RefreshDesktop;
var
  hDesktop: HWND;
begin
  hDesktop := FindWindowEx(FindWindowEx(
        FindWindow('Progman', 'Program Manager'), 0,
        'SHELLDLL_DefView', ''), 0, 'SysListView32', '');
  PostMessage(hDesktop, WM_KEYDOWN, VK_F5, 0);
  PostMessage(hDesktop, WM_KEYUP, VK_F5, 1 shl 31);
end;