public partial class Form1 : Form    {        //连接信息类        public ConnectionInfo connInfo = null;        //连接类        Connection newTcpConnection;        public Form1()        {            InitializeComponent();        }        private void button1_Click(object sender, EventArgs e)        {            connInfo = new ConnectionInfo(txtIP.Text, int.Parse(txtPort.Text));            //如果不成功，会弹出异常信息            newTcpConnection = TCPConnection.GetConnection(connInfo);            button1.Enabled = false;            button1.Text = "连接成功";        }        private void button2_Click(object sender, EventArgs e)        {            if (listBox1.SelectedIndex > -1)            {                //这里的“ReqFruitEngName","ResFruitEngName"分别代表请求类型和返回类型                //这个类型的名称随便起，只要和服务器端代码对应上即可                //请求名称设定为 ReqFruitEngName,然后在服务器代码中就针对这个请求类型进行数据处理，并返回 ResFruitEngName类型的消息                string resMsg = newTcpConnection.SendReceiveObject<string>("ReqFruitEngName", "ResFruitEngName", 5000, listBox1.Text);                                 MessageBox.Show("您选择的水果的英文名称是：" + resMsg);            }            else            {                MessageBox.Show("请选择一项");            }        }        private void Form1_FormClosing(object sender, FormClosingEventArgs e)        {            NetworkComms.Shutdown();            this.Dispose();            this.Close();        }    } www.networkcomms.cn编辑