public void StopTCPHandler()
 {
     if (tcpHandler == null)
     {
         return;
     }
     tcpHandler.Close();
     TCPDisConnect?.Invoke(this, new EventArgs());
 }
 public void TCPConnectionDisconnect()
 {
     //TCP connection break off
     StartBroadcast();
     TCPDisConnect?.Invoke(this, new EventArgs());
 }