public Socket(string socketUrl)
        {
            MainWindow._MainWindow.Savelog("Waiting WebSocket connection to Hotbit......");
            _webSocket = new WebSocket(socketUrl);

            _webSocket.OnError += new EventHandler<ErrorEventArgs>(_webSocket_Error);
            _webSocket.OnOpen += new EventHandler(_webSocket_Opened);
            _webSocket.OnClose += new EventHandler<CloseEventArgs>(_webSocket_Closed);
            _webSocket.OnMessage += new EventHandler<MessageEventArgs>(_webSocket_MessageReceived);

            _webSocket.ConnectAsync();

        }
.............

 public void Close()
        {
            StopTimeoutTimer();
            if (_webSocket.IsAlive)
                _webSocket.Close();
        }