| BOOL WaitMessage(void) |
The WaitMessage function yields control to other threads when a thread has no other messages in its message queue. The WaitMessage function suspends the thread and does not return until a new message is placed in the thread's message queue.
This function has no parameters.
The return value is TRUE if the function is successful or FALSE if an error occurs. To obtain extended error information, use the GetLastError function.
GetMessage, PeekMessage