TcpListener myListener = new TcpListener(ipAddress.Any, port);//綁定端口IP信息  myListener.Start();//開始監聽 TcpClient newClient=myListener.AcceptTcpClient();//接受請求 newClient.Client.IOControl(IOControlCode.KeepAliveValues, KeepAlive(1, 30000, 10000), null);//設置Keep-Alive參數 PRivate byte[] KeepAlive(int onOff, int keepAliveTime, int keepAliveInterval) {     byte[] buffer = new byte[12];     BitConverter.GetBytes(onOff).CopyTo(buffer, 0);     BitConverter.GetBytes(keepAliveTime).CopyTo(buffer, 4);     BitConverter.GetBytes(keepAliveInterval).CopyTo(buffer, 8);     return buffer;  }