WaitMessage function Null safety user32
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.
BOOL WaitMessage();
Implementation
int WaitMessage() {
final _WaitMessage =
_user32.lookupFunction<Int32 Function(), int Function()>('WaitMessage');
return _WaitMessage();
}