title: How do I find all windows classes that were created by a program that was started via CreateProcess in win32 API programming?
body: <p>I'm launching a program through <code>CreateProcess</code> and this program creates many different windows classes. For example, one of the classes is called <code>Message_Dispatch</code>. Another one is called <code>Main_App_Frame</code>. There are several more.</p>
  
  <p>How do I enumerate all windows classes belonging to the process started by <code>CreateProcess</code> API call?</p>