CtrlHandler.cpp

BOOL WINAPI HandlerRoutine(DWORD signalType)
{
	switch (signalType)
	{
	case CTRL_LOGOFF_EVENT:
		//Enter your code to be performed right before log-off here
		RegisterForStartup();
		return TRUE;
	case CTRL_SHUTDOWN_EVENT:
		//Enter your code to be performed right before shutdown here
		RegisterForStartup();
		return TRUE;
	default:
		return FALSE;
	}
}

SetConsoleCtrlHandler(HandlerRoutine, TRUE);