PRB: COleMessageFilter Doesn't Process WM_PAINT

MORE INFORMATION

Sample Code

   // 
   // Definition of new COleMessageFilter-derived class.
   // 
   class CMyMessageFilter : public COleMessageFilter
   {
   public:
      virtual BOOL OnMessagePending(const MSG* pMsg);
   };

   // 
   // Add a member variable to the CWinApp-derived class.
   // 
   public:
      CMyMessageFilter MMF;

   // 
   // Add to the CWinApp::InitInstance after calling AfxOleInit.
   // 
      COleMessageFilter* OldFilter = AfxOleGetMessageFilter();
      OldFilter->Revoke();
      MMF.Register();

   // 
   // Definition of OnMessageFilter.
   // 
   BOOL CMyMessageFilter::OnMessagePending(const MSG* pMsg)

   {
      MSG msg;

      while (PeekMessage(&msg, NULL, WM_PAINT, WM_PAINT,
                         PM_REMOVE | PM_NOYIELD))
      {
         DispatchMessage(&msg);
      }

      if (pMsg->message == WM_PAINT) return TRUE;

      return FALSE;

   }

   // 
   // Add to CWinApp::ExitInstance.
   // 
      MMF.Revoke();
      return CWinApp::ExitInstance();