pythoncom.PumpWaitingMessages
int = PumpWaitingMessages()
Pumps all waiting messages for the current thread.
Comments
It is sometimes necessary for a COM thread to have a message loop. This function
can be used with win32event::MsgWaitForMultipleObjects to pump all messages
when necessary. Please see the COM documentation for more details.
Win32 API References
Search for PeekMessage and DispatchMessage at msdn, google or google groups.
Return Value
Returns 1 if a WM_QUIT message was received, else 0