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;//網絡數據傳輸
using?System.Net.Sockets;

namespace?Client
{
????public?partial?class?ClientMain?:?Form
????{
????????public?ClientMain（）
????????{
????????????InitializeComponent（）;
????????}
????????private?IPEndPoint?ServerInfo;
????????private?Socket?ClientSocket;
????????//信息接收緩存
????????private?Byte[]?MsgBuffer;
????????//信息發送存儲
????????private?Byte[]?MsgSend;
????????private?void?ClientMain_Load（object?sender?EventArgs?e）
????????{
????????????this.CmdSend.Enabled?=?false;
????????????this.CmdExit.Enabled?=?false;
????????????//定義一個IPV4，TCP模式的Socket
????????????ClientSocket?=?new?Socket（AddressFamily.InterNetwork?SocketType.Stream?ProtocolType.Tcp）;
????????????MsgBuffer?=?new?Byte[65535];
????????????MsgSend?=?new?Byte[65535];
????????????//允許子線程刷新數據
????????????CheckForIllegalCrossThreadCalls?=?false;
????????????this.RecieveMsg.Text?=?Environment.MachineName;
????????}

????????private?void?CmdEnter_Click（object?sender?EventArgs?e）
????????{
????????????//服務端IP和端口信息設定這里的IP可以是127.0.0.1，可以是本機局域網IP，也可以是本機網絡IP
????????????ServerInfo?=?new?IPEndPoint（IPAddress.Parse（this.ServerIP.Text）?Convert.ToInt32（this.ServerPort.Text））;

????????????try
????????????{
????????????????//客戶端連接服務端指定IP端口，Sockket
????????????????ClientSocket.Connect（ServerInfo）;
????????????????//將用戶登錄信息發送至服務器，由此可以讓其他客戶端獲知
????????????????ClientSocket.Send（Encoding.Unicode.GetBytes（“用戶：?“?+?this.RecieveMsg.Text?+?“?進入系統！\n“））;
????????????????//開始從連接的Socket異步讀取數據。接收來自服務器，其他客戶端轉發來的信息
????????????????//AsyncCallback引用在異步操作完成時調用的回調方法
????????????????ClientSocket.BeginReceive（MsgBuffer?0?MsgBuffer.Length?SocketFlags.None?new?AsyncCallback（ReceiveCallBack）?null）;

????????????????this.SysMsg.Text?+=?“登錄服務器成功！\n“;
????????????????this.CmdSend.Enabled?=?true;
????????????????this.CmdEnter.Enabled?=?false;
????????????????this.CmdExit.Enabled?=?true;
????????????}
????????????catch
????????????{
????????????????MessageBox.Show（“登錄服務器失敗，請確認服務器是否正常工作！“）;
????????????}

????????}

????????private?void?ReceiveCallBack（IAsyncResult?AR）
????????{
????????????try
????????????{
????????????????//結束掛起的異步讀取，返回接收到的字節數。?AR，它存儲此異步操作的狀態信息以及所有用戶定義數據
????????????????int?REnd?=?ClientSocket.EndReceive（AR）;

????????????????lock?（this.RecieveMsg）
????????????????{????????????????????
????????????????????this.RecieveMsg.AppendText（Encoding.Unicode.GetString（MsgBuffer?0?REnd））;
????????????????}
????????????????ClientSocket.BeginReceive（MsgBuffer?0?MsgBuffer.Length?0?new?AsyncCallback（ReceiveCallBack）?null）;

????????????}
????????????catch
????????????{
????????????????MessageBox.Show（“已經與服務器斷開連接！“）;
????????????????this.Close（）;
????????????}

????????}
????????//點擊發送之后沒有直接添加到信息列表中，而是傳到服務器，由服務器轉發給每個客戶端
????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????28958??2012-09-28?11:00??5.Socket\C#?Socket?.txt

?????文件??????12800??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Client\bin\Debug\Client.exe

?????文件??????24064??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Client\bin\Debug\Client.pdb

?????文件??????11600??2017-07-25?16:14??5.Socket\Prj_Socket_Chat_聊天通信\Client\bin\Debug\Client.vshost.exe

?????文件????????490??2015-06-04?12:48??5.Socket\Prj_Socket_Chat_聊天通信\Client\bin\Debug\Client.vshost.exe.manifest

?????文件???????3696??2012-09-24?17:53??5.Socket\Prj_Socket_Chat_聊天通信\Client\Client.csproj

?????文件???????5195??2012-09-28?11:52??5.Socket\Prj_Socket_Chat_聊天通信\Client\ClientMain.cs

?????文件???????8198??2012-09-24?17:58??5.Socket\Prj_Socket_Chat_聊天通信\Client\ClientMain.Designer.cs

?????文件???????5817??2012-09-24?17:58??5.Socket\Prj_Socket_Chat_聊天通信\Client\ClientMain.resx

?????文件????????180??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Client\obj\x86\Debug\Client.ClientMain.resources

?????文件???????2002??2017-07-25?16:14??5.Socket\Prj_Socket_Chat_聊天通信\Client\obj\x86\Debug\Client.csproj.FileListAbsolute.txt

?????文件??????12800??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Client\obj\x86\Debug\Client.exe

?????文件??????24064??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Client\obj\x86\Debug\Client.pdb

?????文件????????180??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Client\obj\x86\Debug\Client.Properties.Resources.resources

?????文件???????2152??2012-09-28?11:17??5.Socket\Prj_Socket_Chat_聊天通信\Client\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6426??2017-07-25?16:14??5.Socket\Prj_Socket_Chat_聊天通信\Client\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????578??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Client\obj\x86\Debug\GenerateResource.read.1.tlog

?????文件???????1346??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Client\obj\x86\Debug\GenerateResource.write.1.tlog

?????文件????????492??2012-09-24?17:35??5.Socket\Prj_Socket_Chat_聊天通信\Client\Program.cs

?????文件???????1364??2012-09-24?17:34??5.Socket\Prj_Socket_Chat_聊天通信\Client\Properties\AssemblyInfo.cs

?????文件???????2862??2012-09-24?17:34??5.Socket\Prj_Socket_Chat_聊天通信\Client\Properties\Resources.Designer.cs

?????文件???????5612??2012-09-24?17:34??5.Socket\Prj_Socket_Chat_聊天通信\Client\Properties\Resources.resx

?????文件???????1091??2012-09-24?17:34??5.Socket\Prj_Socket_Chat_聊天通信\Client\Properties\Settings.Designer.cs

?????文件????????249??2012-09-24?17:34??5.Socket\Prj_Socket_Chat_聊天通信\Client\Properties\Settings.settings

?????文件???????1300??2012-09-24?17:39??5.Socket\Prj_Socket_Chat_聊天通信\Prj_Socket.sln

????..A..H.?????37376??2012-09-28?11:52??5.Socket\Prj_Socket_Chat_聊天通信\Prj_Socket.suo

?????文件??????11776??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Server\bin\Debug\Server.exe

?????文件??????34304??2012-09-24?20:48??5.Socket\Prj_Socket_Chat_聊天通信\Server\bin\Debug\Server.pdb

?????文件??????11600??2012-09-24?17:45??5.Socket\Prj_Socket_Chat_聊天通信\Server\bin\Debug\Server.vshost.exe

?????文件???????2152??2012-09-24?17:33??5.Socket\Prj_Socket_Chat_聊天通信\Server\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

............此處省略119個文件信息