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;//負責發送信息的socket
?????????????//將遠程連接的客戶端的IP地址和Socket存入集合中??
?????????????Dictionary?dicSocket?=?new?Dictionary（）;??


????????///?

????????///?監測
????????///?

????????///?
????????///?
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????try
????????????{
????????????????//當點擊開始監聽的時候?在服務器端創建一個負責監聽IP地址和端口號的Socket??
????????????????//addressFamily：?Socket：使用的尋址方案，socketType：Socket?的類型，protocolType:Socket?使用的協議。???????????
????????????????Socket?socketWatch?=?new?Socket（AddressFamily.InterNetwork?SocketType.Stream?ProtocolType.Tcp）;
????????????????IPAddress?ip?=?IPAddress.Any;
????????????????//創建服務器端網絡端點對象??
????????????????IPEndPoint?point?=?new?IPEndPoint（ip?Convert.ToInt32（ProText.Text））;
????????????????//偵聽Soket與本地終結點綁定??
????????????????socketWatch.Bind（point）;
????????????????//設置為監聽狀態??
????????????????socketWatch.Listen（10）;
????????????????ShowMsg（“監聽成功“）;
????????????????//新建線程等待連接，創建通信Socket??
????????????????Thread?th?=?new?Thread（Listen）;
????????????????th.IsBackground?=?true;//設置為后臺線程??
????????????????th.Start（socketWatch）;
????????????}
????????????catch
????????????{
????????????}??
????????}

????????///?

????????///?發送消息
????????///?

????????///?
????????///?
????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????string?str?=?chatBoxSend.Text.Trim（）;
????????????byte[]?buf?=?Encoding.UTF8.GetBytes（str）;
????????????List?byteList?=?new?List（）;
????????????//根據自定義的協議，發送的字節數組的第一位為0是表示發送的是文本??
????????????byteList.Add（0）;
????????????byteList.AddRange（buf）;
????????????//泛型集合轉換為新的數組??
????????????byte[]?newBuffer?=?byteList.ToArray（）;
????????????//獲取用戶在下拉框中的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;
????????????//循環目的在于使得多個客戶端可以連接服務器??
????????????while?（true）
????????????{
????????????????try
????????????????{
????????????????????//等待客戶端連接由偵聽的Socket創建一個負責與客戶端通信的Socket??
????????????????????socketSend?=?socketWatch.Accept（）;
???????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-26?17:21??Chat_Demo_Server\
?????目錄???????????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
?????目錄???????????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
?????目錄???????????0??2017-10-26?17:21??Chat_Demo_Server\Chat_Demo_Server\bin\
?????目錄???????????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
?????目錄???????????0??2017-10-26?17:21??Chat_Demo_Server\Chat_Demo_Server\obj\
?????目錄???????????0??2017-10-26?17:21??Chat_Demo_Server\Chat_Demo_Server\obj\x86\
?????目錄???????????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
............此處省略38個文件信息