public static bool AnyInputMessage(uint qsFlags)
{
// the high-order word of the return value indicates the types of messages currently in the queue,
// including already observed but not retrieved messages;
// beware of the undoc QS_EVENT, it may always be returning non-zero
uint status = WinApi.GetQueueStatus(qsFlags);
return((status >> 16) != 0);
}
