/// <summary>
 /// 응답이 없는 클라이언트를 연결 해제합니다.
 /// </summary>
 /// <param name="disconnectedClient">연결이 해제된 Client</param>
 private void DisconnectionClient(CustomTcpClient disconnectedClient)
 {
     if (clients.Contains(disconnectedClient))
     {
         Dispatcher.Invoke(() =>
         {
             clients.Remove(disconnectedClient);
             disconnectedClient.Dispose();
         });
     }
 }
 /// <summary>
 /// 접속요청이 오는 클라이언트를 수락합니다.
 /// </summary>
 private void AcceptClient()
 {
     while (true)
     {
         var clientTemp = listener.AcceptTcpClient();
         var client     = new CustomTcpClient(clientTemp, INTERVAL);
         Dispatcher.Invoke(() =>
         {
             clients.Add(client);
             client.OnDisconnected += DisconnectionClient;
         });
     }
 }