C# winform Socket 即时通讯

C# winform Socket 即时通讯，C# winform Socket 即时通讯

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 Chat_Demo_Server
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）;
        }
            Socket socketSend;//负责发送信息的socket
             //将远程连接的客户端的IP地址和Socket存入集合中  
             Dictionary dicSocket = new Dictionary（）;  


        /// 

        /// 监测
        /// 

        /// 
        /// 
        private void button1_Click（object sender EventArgs e）
        {
            try
            {
                //当点击开始监听的时候 在服务器端创建一个负责监听IP地址和端口号的Socket  
                //addressFamily： Socket：使用的寻址方案，socketType：Socket 的类型，protocolType:Socket 使用的协议。           
                Socket socketWatch = new Socket（AddressFamily.InterNetwork SocketType.Stream ProtocolType.Tcp）;
                IPAddress ip = IPAddress.Any;
                //创建服务器端网络端点对象  
                IPEndPoint point = new IPEndPoint（ip Convert.ToInt32（ProText.Text））;
                //侦听Soket与本地终结点绑定  
                socketWatch.Bind（point）;
                //设置为监听状态  
                socketWatch.Listen（10）;
                ShowMsg（“监听成功“）;
                //新建线程等待连接，创建通信Socket  
                Thread th = new Thread（Listen）;
                th.IsBackground = true;//设置为后台线程  
                th.Start（socketWatch）;
            }
            catch
            {
            }  
        }

        /// 

        /// 发送消息
        /// 

        /// 
        /// 
        private void button2_Click（object sender EventArgs e）
        {
            string str = chatBoxSend.Text.Trim（）;
            byte[] buf = Encoding.UTF8.GetBytes（str）;
            List byteList = new List（）;
            //根据自定义的协议，发送的字节数组的第一位为0是表示发送的是文本  
            byteList.Add（0）;
            byteList.AddRange（buf）;
            //泛型集合转换为新的数组  
            byte[] newBuffer = byteList.ToArray（）;
            //获取用户在下拉框中的IP地址  
            try
            {
                string ip = cboUsers.SelectedItem.ToString（）;
                dicSocket[ip].Send（newBuffer）;
                chatBoxSend.Text = ““;
            }
            catch
            {

            }        
        }

      
        //
        private void Listen（object o）
        {
            Socket socketWatch = o as Socket;
            //循环目的在于使得多个客户端可以连接服务器  
            while （true）
            {
                try
                {
                    //等待客户端连接由侦听的Socket创建一个负责与客户端通信的Socket  
                    socketSend = socketWatch.Accept（）;
       

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-10-26 17:21  Chat_Demo_Server\
     目录           0  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\
     文件        3691  2017-10-26 17:39  Chat_Demo_Server\Chat_Demo_Server\Chat_Demo_Server.csproj
     文件        5364  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\Form1.Designer.cs
     文件        5577  2017-10-27 10:53  Chat_Demo_Server\Chat_Demo_Server\Form1.cs
     文件        5817  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\Form1.resx
     文件         497  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\Program.cs
     目录           0  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\Properties\
     文件        1382  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\Properties\AssemblyInfo.cs
     文件        2883  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\Properties\Resources.Designer.cs
     文件        5612  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\Properties\Resources.resx
     文件        1102  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\Properties\Settings.Designer.cs
     文件         249  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\Properties\Settings.settings
     目录           0  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\bin\
     目录           0  2017-10-26 17:39  Chat_Demo_Server\Chat_Demo_Server\bin\Debug\
     文件       11264  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\bin\Debug\Chat_Demo_Server.exe
     文件       26112  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\bin\Debug\Chat_Demo_Server.pdb
     文件       11600  2017-10-27 10:52  Chat_Demo_Server\Chat_Demo_Server\bin\Debug\Chat_Demo_Server.vshost.exe
     文件         490  2010-03-17 22:39  Chat_Demo_Server\Chat_Demo_Server\bin\Debug\Chat_Demo_Server.vshost.exe.manifest
     目录           0  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\obj\
     目录           0  2017-10-26 17:21  Chat_Demo_Server\Chat_Demo_Server\obj\x86\
     目录           0  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\
     文件         180  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\Chat_Demo_Server.Form1.resources
     文件         180  2017-10-26 17:39  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\Chat_Demo_Server.Properties.Resources.resources
     文件         787  2017-10-27 10:52  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\Chat_Demo_Server.csproj.FileListAbsolute.txt
     文件       11264  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\Chat_Demo_Server.exe
     文件       26112  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\Chat_Demo_Server.pdb
     文件        4501  2017-10-27 09:11  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        6311  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件         264  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\GenerateResource.read.1.tlog
     文件         662  2017-10-27 10:29  Chat_Demo_Server\Chat_Demo_Server\obj\x86\Debug\GenerateResource.write.1.tlog
............此处省略38个文件信息