public void FlushReceiveData()
 {
     lock (handler)
     {
         while (dataReceivedQueue.Count > 0)
         {
             DataReceived dataReceived = dataReceivedQueue.Dequeue();
             if (receiver != null)
             {
                 receiver.OnReceiveData(dataReceived.data, dataReceived.ipEndPoint);
             }
         }
     }
 }