public void AddInDomainFinalized() { long val = Interlocked.Decrement(ref _addInAppDomains); if (!_startedExitProcess && val == 0) { try { // the host will call ExitProcess here if it is not cancelled _eventWorker.SendShutdownMessage(); } catch (RemotingException) { // the application likely has shut down itself. // The main thread will shut down this app } } }