HDC   hdc   =   GetDC(NULL);
  

  HWND hDeskWnd = GetDesktopWindow();
  

  HDC hDeskDc = GetDC(hDeskWnd);
  

  TextOut(hDeskDc,   100,   10,   _T("this   is   my   test "),   15);
  

  TextOut(hdc,   100,   10,   _T("this   is   my   test "),   15);