try
            {
                m_sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                m_sock.ReceiveTimeout = 3000;//设置Socket的接收超时时间为3S。                IPAddress ipAdd = IPAddress.Parse(ip);
                m_sock.Connect(ipAdd, port); ////////这个语句之前,有没有办法设置Connect的超时时间啊                return true;
            }
            catch
            {
                return false;
            }