BytesRoad.Net.Sockets.Socket_Socks4.Bind_GetHost_End C# (CSharp) Метод

        void Bind_GetHost_End(IAsyncResult ar)
        {
            Bind_SO stateObj = (Bind_SO)ar.AsyncState;
            try
            {
                stateObj.UpdateContext();
                IPHostEntry host = EndGetHostByName(ar);
                if(host == null)
                    throw new SocketException(SockErrors.WSAHOST_NOT_FOUND);

                    // throw new HostNotFoundException("Unable to resolve proxy host name.");

                IPEndPoint proxyEndPoint = ConstructEndPoint(host, _proxyPort);
                stateObj.ProxyIP = proxyEndPoint.Address;

                //------------------------------------
                // Connect to proxy server
                //
                _socket.BeginConnect(
                    proxyEndPoint, 
                    new AsyncCallback(Bind_Connect_End),
                    stateObj);
            }
            catch(Exception e)
            {
                stateObj.Exception = e;
                stateObj.SetCompleted();
            }
        }