NetMQ.Poller.Stop C# (CSharp) Метод

        public void Stop()
        {
            Cancel(true);
        }

 private void PollerThread()
 {
     while (true)
     {
         try
         {
             if (poller == null || !poller.IsStarted)
             {
                 SignalService.Logger.Info("Start NetMQ Poller");
                 poller = new Poller();
                 poller.AddSocket(router);
                 poller.Start();
             }
         }
         catch (Exception e)
         {
             SignalService.Logger.Error("NetMQ Poller Thread Exception.\n{0}", e.StackTrace);
             if (poller != null)
             {
                 poller.Stop();
                 poller.Dispose();
             }
         }
     }
 }