using?System;
using?System.Windows.Forms;
//添加的命名空間引用
using?System.Net;
using?System.Net.Sockets;
using?System.Threading;
using?System.IO;
namespace?SyncChatClient
{
????public?partial?class?MainForm?:?Form
????{
????????private?bool?isExit?=?false;
????????private?TcpClient?client;
????????private?BinaryReader?br;
????????private?BinaryWriter?bw;
????????public?MainForm（）
????????{
????????????InitializeComponent（）;
????????????Random?r?=?new?Random（（int）DateTime.Now.Ticks）;
????????????textBoxUserName.Text?=?“user“?+?r.Next（100?999）;
????????????listBoxOnlineStatus.HorizontalScrollbar?=?true;

????????}
????????///?

????????///?【連接服務器】按鈕的Click事件
????????///?

????????private?void?buttonConnect_Click（object?sender?EventArgs?e）
????????{
????????????buttonConnect.Enabled?=?false;
????????????try
????????????{
????????????????//此處為方便演示，實際使用時要將Dns.GetHostName（）改為服務器域名
????????????????client?=?new?TcpClient（Dns.GetHostName（）?51888）;
????????????????AddTalkMessage（“連接成功“）;
????????????}
????????????catch
????????????{
????????????????AddTalkMessage（“連接失敗“）;
????????????????buttonConnect.Enabled?=?true;
????????????????return;
????????????}
????????????//獲取網絡流
????????????NetworkStream?networkStream?=?client.GetStream（）;
????????????//將網絡流作為二進制讀寫對象
????????????br?=?new?BinaryReader（networkStream）;
????????????bw?=?new?BinaryWriter（networkStream）;
????????????SendMessage（“Login“?+?textBoxUserName.Text）;
????????????Thread?threadReceive?=?new?Thread（new?ThreadStart（ReceiveData））;
????????????//threadReceive.IsBackground?=?true;
????????????threadReceive.Start（）;
????????}
????????///?
處理接收的服務器端數據

????????private?void?ReceiveData（）
????????{
????????????string?receiveString?=?null;
????????????while?（isExit?==?false）
????????????{
????????????????try
????????????????{
????????????????????//從網絡流中讀出字符串
????????????????????//此方法會自動判斷字符串長度前綴，并根據長度前綴讀出字符串
????????????????????receiveString?=?br.ReadString（）;
????????????????}
????????????????catch
????????????????{
????????????????????if?（isExit?==?false）
????????????????????{
????????????????????????MessageBox.Show（“與服務器失去聯系。“）;
????????????????????}
????????????????????break;
????????????????}
????????????????string[]?splitString=?receiveString.Split（‘‘）;
????????????????string?command?=?splitString[0].ToLower（）;
????????????????switch?（command）
????????????????{
????????????????????case?“login“:??//格式：login用戶名
????????????????????????AddOnline（splitString[1]）;
????????????????????????break;
????????????????????case?“logout“:??//格式：logout用戶名
????????????????????????RemoveUserName（splitString[1]）;
????????????????????????break;
????????????????????case?“talk“:??//格式：talk用戶名對話信息
????????????????????????//AddTalkMessage（splitString[1]?+?“：\r\n“）;
????????????????????????//AddTalkMessage（receiveString.Substring（
????????????????????????//????splitString[0].Length?+?splitString[1].Lengt

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

?????文件??????13824??2010-08-08?15:23??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\bin\Debug\SyncChatClient.exe

?????文件??????46592??2010-08-08?15:23??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\bin\Debug\SyncChatClient.pdb

?????文件??????14328??2010-08-09?08:47??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\bin\Debug\SyncChatClient.vshost.exe

?????文件????????490??2007-07-21?01:33??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\bin\Debug\SyncChatClient.vshost.exe.manifest

?????文件???????7733??2010-08-08?15:23??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\MainForm.cs

?????文件???????7954??2009-04-10?20:35??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\MainForm.Designer.cs

?????文件???????5814??2009-04-10?20:35??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\MainForm.resx

?????文件???????4604??2010-08-09?08:47??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\obj\Debug\SyncChatClient.csproj.FileListAbsolute.txt

?????文件????????850??2009-04-10?20:35??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\obj\Debug\SyncChatClient.csproj.GenerateResource.Cache

?????文件??????13824??2010-08-08?15:23??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\obj\Debug\SyncChatClient.exe

?????文件????????180??2009-04-10?20:35??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\obj\Debug\SyncChatClient.MainForm.resources

?????文件??????46592??2010-08-08?15:23??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\obj\Debug\SyncChatClient.pdb

?????文件????????180??2009-04-08?02:47??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\obj\Debug\SyncChatClient.Properties.Resources.resources

?????文件???????4608??2009-04-08?01:40??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

?????文件?????????60??2008-05-05?00:01??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\obj\SyncChatClient.csproj.FileList.txt

?????文件???????2704??2008-08-31?03:01??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\obj\SyncChatClient.csproj.FileListAbsolute.txt

?????文件????????476??2008-03-20?00:33??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\Program.cs

?????文件???????1200??2008-03-20?00:33??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\Properties\AssemblyInfo.cs

?????文件???????2852??2008-09-08?12:59??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\Properties\Resources.Designer.cs

?????文件???????5612??2008-03-20?00:33??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\Properties\Resources.resx

?????文件???????1112??2008-09-08?12:59??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\Properties\Settings.Designer.cs

?????文件????????249??2008-03-20?00:33??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\Properties\Settings.settings

?????文件???????3458??2008-09-08?12:59??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient\SyncChatClient.csproj

?????文件????????932??2008-09-08?12:59??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient.sln

????..A..H.?????24576??2010-08-09?08:47??利用同步TCP編寫網絡聊天程序\SyncChatClient\SyncChatClient.suo

?????文件??????13824??2010-08-08?15:10??利用同步TCP編寫網絡聊天程序\SyncChatServer\SyncChatServer\bin\Debug\SyncChatServer.exe

?????文件??????46592??2010-08-08?15:10??利用同步TCP編寫網絡聊天程序\SyncChatServer\SyncChatServer\bin\Debug\SyncChatServer.pdb

?????文件??????14328??2010-08-08?15:24??利用同步TCP編寫網絡聊天程序\SyncChatServer\SyncChatServer\bin\Debug\SyncChatServer.vshost.exe

?????文件????????490??2007-07-21?01:33??利用同步TCP編寫網絡聊天程序\SyncChatServer\SyncChatServer\bin\Debug\SyncChatServer.vshost.exe.manifest

?????文件???????9200??2009-12-06?22:08??利用同步TCP編寫網絡聊天程序\SyncChatServer\SyncChatServer\MainForm.cs

............此處省略43個文件信息