C# tcp/ip网络通讯（含服务端以及客户端）

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;
using System.IO;

namespace TCPClient
{
    public partial class frmSyncTCPClient : Form
    {
        #region 变量
        // 申明变量
        private TcpClient tcpClient = null;
        private NetworkStream networkStream = null;
        private BinaryReader reader;
        private BinaryWriter writer;
        
        // 申明委托
        // 显示消息
        private delegate void ShowMessage（string str）;
        private ShowMessage showMessageCallback;

        // 显示状态
        private delegate void ShowStatus（string str）;
 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2012-08-25 13:17  TCPClient\
     目录           0  2012-08-25 15:15  TCPClient\TCPClient\
     文件         877  2012-08-25 17:48  TCPClient\TCPClient.sln
     文件       18432  2012-08-25 17:48  TCPClient\TCPClient.suo
     目录           0  2012-08-25 13:17  TCPClient\TCPClient\bin\
     目录           0  2012-08-25 17:48  TCPClient\TCPClient\bin\Debug\
     文件       14336  2012-08-25 18:53  TCPClient\TCPClient\bin\Debug\TCPClient.exe
     文件       32256  2012-08-25 18:53  TCPClient\TCPClient\bin\Debug\TCPClient.pdb
     文件       11600  2012-08-25 18:55  TCPClient\TCPClient\bin\Debug\TCPClient.vshost.exe
     文件         490  2012-02-21 14:13  TCPClient\TCPClient\bin\Debug\TCPClient.vshost.exe.manifest
     文件        6947  2012-08-25 18:47  TCPClient\TCPClient\Form1.cs
     文件        9882  2012-08-25 18:03  TCPClient\TCPClient\Form1.Designer.cs
     文件        6020  2012-08-25 18:03  TCPClient\TCPClient\Form1.resx
     目录           0  2012-08-25 13:17  TCPClient\TCPClient\obj\
     目录           0  2012-08-25 13:17  TCPClient\TCPClient\obj\x86\
     目录           0  2012-08-25 18:53  TCPClient\TCPClient\obj\x86\Debug\
     文件        2851  2012-08-25 13:17  TCPClient\TCPClient\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        6391  2012-08-25 18:53  TCPClient\TCPClient\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件         590  2012-08-25 18:55  TCPClient\TCPClient\obj\x86\Debug\SyncTCPClient.csproj.FileListAbsolute.txt
     文件         975  2012-08-25 18:04  TCPClient\TCPClient\obj\x86\Debug\SyncTCPClient.csproj.GenerateResource.Cache
     文件       14336  2012-08-25 18:53  TCPClient\TCPClient\obj\x86\Debug\TCPClient.exe
     文件         180  2012-08-25 18:04  TCPClient\TCPClient\obj\x86\Debug\TCPClient.frmSyncTCPClient.resources
     文件       32256  2012-08-25 18:53  TCPClient\TCPClient\obj\x86\Debug\TCPClient.pdb
     文件         180  2012-08-25 17:48  TCPClient\TCPClient\obj\x86\Debug\TCPClient.Properties.Resources.resources
     目录           0  2012-08-25 13:17  TCPClient\TCPClient\obj\x86\Debug\TempPE\
     文件         512  2012-08-25 15:57  TCPClient\TCPClient\Program.cs
     目录           0  2012-08-25 13:17  TCPClient\TCPClient\Properties\
     文件        1438  2012-08-25 13:17  TCPClient\TCPClient\Properties\AssemblyInfo.cs
     文件        2848  2012-08-25 13:17  TCPClient\TCPClient\Properties\Resources.Designer.cs
     文件        5612  2012-08-25 13:17  TCPClient\TCPClient\Properties\Resources.resx
     文件        1096  2012-08-25 13:17  TCPClient\TCPClient\Properties\Settings.Designer.cs
............此处省略35个文件信息