c# WINFORM SOCKET编程-简单聊天程序(客户端)

这个是客户端，代码没有注释，有不明白的地方我们交流交流。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace TCPClient
{
        public partial class Form1 : Form
        {
                public Socket newclient;
                public bool Connected;
                public Thread myThread;
                public delegate void MyInvoke(string str);
                public Form1()
                {
                        InitializeComponent();
                        
                }
                public void Connect()
                {
                        byte[] data = new byte[1024];
                        newclient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                        string ipadd = serverIP.Text.Trim();
                        int port = Convert.ToInt32(serverPort.Text.Trim());
                        IPEndPoint ie = new IPEndPoint(IPAddress.Parse(ipadd), port);
                        try
                        {
                                newclient.Connect(ie);
                                connect.Enabled = false;
                                Connected = true;
                                
                        }
                        catch(SocketException e)
                        {
                                MessageBox.Show("连接服务器失败    "+e.Message);
                                return;
                        }
                        ThreadStart myThreaddelegate = new ThreadStart(ReceiveMsg);
                        myThread = new Thread(myThreaddelegate);
                        myThread.Start();

                }
                public void ReceiveMsg()
                {
                        while (true)
                        {
                                byte[] data = new byte[1024];
                                int recv = newclient.Receive(data);
                                string stringdata = Encoding.UTF8.GetString(data, 0, recv);
                                showMsg(stringdata + "\r\n");
                                //receiveMsg.AppendText(stringdata + "\r\n");
                        }
                }
                public void showMsg(string msg)
                {
                        {
                        //在线程里以安全方式调用控件
                        if (receiveMsg.InvokeRequired)
                        {
                                MyInvoke _myinvoke = new MyInvoke(showMsg);
                                receiveMsg.Invoke(_myinvoke, new object[] { msg });
                        }
                        else
                        {
                                receiveMsg.AppendText(msg);
                        }
                }
                }
                

                private void SendMsg_Click(object sender, EventArgs e)
                {
                        int m_length = mymessage.Text.Length;
                        byte[] data=new byte[m_length];
                        data = Encoding.UTF8.GetBytes(mymessage.Text);
                        int i = newclient.Send(data);
                        showMsg("我说：" + mymessage.Text + "\r\n");
                        //receiveMsg.AppendText("我说："+mymessage.Text + "\r\n");
                        mymessage.Text = "";
                        //newclient.Shutdown(SocketShutdown.Both);
                }

                private void connect_Click(object sender, EventArgs e)
                {
                        Connect();
                }
                
        }
}