title: How to replace window desktop with my own application window CWnd
body: <p>I tried to paint on my windows desktop using GetDesktopWindow().
  But i failed because desktop repaints itself rapidly and my painting doesn't appear.
  So I need to replace my desktop window obtained by GetDesktopWindow() with ownerdraw application window
  Can anyone has an idea, how to do this ?</p>
  
  <p>Thanks in advance,
  Milan</p>