chart.txt

这是我们老师上课做的程序

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Threading;
using System.Net.Sockets;
using System.IO;
namespace Network
{
    /// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    {
                //这里窗口设计区域省略
        private void StartListen()
        {
            MyTcpListener=new TcpListener(888);
            //开始监听
            MyTcpListener.Start();              
            while(true)
            {//获取TcpClient
                TcpClient MyTcpClient=MyTcpListener.AcceptTcpClient();
                NetworkStream MyStream=MyTcpClient.GetStream();
                byte[] MyBytes = new byte[1024];
                int MyBytesRead=MyStream.Read(MyBytes,0,MyBytes.Length);
                string MyMessage=System.Text.Encoding.Default.GetString(MyBytes,0,MyBytesRead);
                this.richTextBox2.Text+=MyMessage;                    
            }            
        }
        private void button1_Click(object sender, System.EventArgs e)
        {//发送聊天内容
            if(this.textBox1.Text.Length<1||this.textBox2.Text.Length<1||this.richTextBox1.Text.Length<1)
                return;
            try
            {
                string MyMessage= this.textBox2.Text+":"+this.richTextBox1.Text+"\n";
                //根据目标计算机地址建立连接
                TcpClient MyTcpClient = new TcpClient(this.textBox1.Text, 888);
                //获得用于网络访问的数据流
                NetworkStream MyTcpStream =MyTcpClient.GetStream();
                StreamWriter MyStream = new StreamWriter(MyTcpStream);
                //将字符串写入流
                MyStream.Write(MyMessage);
                //将缓冲数据写入基础流
                MyStream.Flush();
                //关闭网络流
                MyStream.Close();
                MyTcpClient.Close(); 
                this.richTextBox3.AppendText(this.richTextBox1.Text+"\n");
                this.richTextBox1.Clear();
            }
            catch(Exception Err)
            {
               MessageBox.Show(Err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);                
            }
        }
        private void Form1_Load(object sender, System.EventArgs e)
        {//开始监听
            //创建监听线程
            this.MyListenThread= new Thread(new ThreadStart(StartListen));    
            //启动线程
            this.MyListenThread.Start();
        }

        private void Form1_Closed(object sender, System.EventArgs e)
        {//关闭SOCKET
            try
            {
                if (this.MyTcpListener!=null)
                {//关闭监听器
                    this.MyTcpListener.Stop();
                }
                if (this.MyListenThread!=null)
                {    //如果线程还处于运行状态就关闭它
                    if (this.MyListenThread.ThreadState==ThreadState.Running)
                    {
                        this.MyListenThread.Abort();
                    }
                }
            }
            catch(Exception Err)
            {
                  MessageBox.Show(Err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
            }
        }
    }
}