Demo2 模拟简单登陆 客户端代码

 public partial class Form1 : Form
    {
        //连接信息对象
        public ConnectionInfo connInfo = null;

        //连接对象
        Connection newTcpConnection;


        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //给连接信息对象赋值
            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)
        {
            //给契约类赋值
            LoginContract contract = new LoginContract();
            contract.UserID = txtUserName.Text;
            contract.PassWord = txtPassword.Text;

            //向服务器发送登录信息并获取登录结果
            ResMsgContract resMsg = newTcpConnection.SendReceiveObject<ResMsgContract>("ReqLogin", "ResLogin", 5000, contract);

            if (resMsg.Message == "登录成功")
            {
                MessageBox.Show("登录成功");

            }
            else
            {
                MessageBox.Show("用户名密码错误");
            }

        }
        //http://shop115882994.taobao.com
        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            NetworkComms.Shutdown();
            this.Dispose();
            this.Close();
        }
    }
 www.networkcomms.cn编辑
http://www.cnblogs.com/networkcomms