C# socket聊天 服务器转发

C# socket聊天 服务器转发 由client 和server client直接能相互发送消息由服务器转发

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;

namespace AsyncTcpClient
{
    public partial class FormClient : Form
    {
        //声明公共变量
        private bool isExit = false;
        private delegate void SetListBoxCallback（string str）;
        private SetListBoxCallback setListBoxCallback;
        private delegate void SetRichTextBoxReceiveCallback（string str）;
        private SetRichTextBoxReceiveCallback setRichTextBoxReceiveCallback;

        private delegate void SetcomboBoxCallback（string str）;
        private SetcomboBoxCallback setComboBoxCallback;

        private TcpClient client;
        private NetworkStream networkStream;
        private EventWaitHandle allDone = new EventWaitHandle（false EventResetMode.ManualReset）;

        public FormClient（）
        {
            InitializeComponent（）;
        }
        //窗体加载
        private void FormClient_Load（object sender EventArgs e）
        {
            listBoxStatus.HorizontalScrollbar = true;
            setListBoxCallback = new SetListBoxCallback（SetListBox）;
            setRichTextBoxReceiveCallback = new SetRichTextBoxReceiveCallback（SetRichTextBoxReceive）;
            setComboBoxCallback = new SetcomboBoxCallback（SetComboBox）;
        }
        //连接事件
        private void buttonConnect_Click（object sender EventArgs e）
        {
            //使用IPv4，实现应用时要将Dns.GetHostName（）改为服务器名
            client = new TcpClient（AddressFamily.InterNetwork）;
            IPAddress serverIP = IPAddress.Parse（tbxIP.Text）;
            AsyncCallback requestCallback = new AsyncCallback（RequestCallback）;
            allDone.Reset（）;
            //开始对远程主机的异步请求
            client.BeginConnect（serverIP 51888 requestCallback client）;
            listBoxStatus.Invoke（setListBoxCallback string.Format（“本机EndPoint:{0}“ client.Client.LocalEndPoint））;
            listBoxStatus.Invoke（setListBoxCallback “开始与服务器建立连接“）;
            //阻塞线程直到BeginConnect完成，连接完成自动调用RequestCallback中的Set方法解除阻塞
            allDone.WaitOne（）;
        }
        //发送事件
        private void buttonSend_Click（object sender EventArgs e）
        {
            if （comboBox1.SelectedItem != null）
            {
                SendString（richTextBoxSend.Text + “;“ + comboBox1.SelectedItem.ToString（） + “;“）;
                richTextBoxSend.Clear（）;
            }
            else
            {
                MessageBox.Show（“请选择一个接收者“）;
            }
        }
        private void RequestCallback（IAsyncResult ar）
        {
            //异步执行到此，说明BeginConnect已完成，但未结束，需要解除阻塞，并调用EndConnect
            allDone.Set（）;
            try
            {
                client = （TcpClient）ar.AsyncState;
                client.EndConnect（ar）;
                listBoxStatus.Invo

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       3608  2012-11-21 14:07  client\AsyncTcpClient\AsyncTcpClient.csproj

     文件        452  2012-11-21 14:07  client\AsyncTcpClient\AsyncTcpClient.csproj.user

     文件      15360  2012-11-21 16:44  client\AsyncTcpClient\bin\Debug\AsyncTcpClient.exe

     文件      40448  2012-11-21 16:44  client\AsyncTcpClient\bin\Debug\AsyncTcpClient.pdb

     文件      21464  2012-11-21 16:46  client\AsyncTcpClient\bin\Debug\AsyncTcpClient.vshost.exe

     文件        490  2010-03-17 22:39  client\AsyncTcpClient\bin\Debug\AsyncTcpClient.vshost.exe.manifest

     文件       7329  2012-11-21 16:43  client\AsyncTcpClient\FormClient.cs

     文件       9500  2012-11-21 15:44  client\AsyncTcpClient\FormClient.Designer.cs

     文件       5814  2012-11-21 15:44  client\AsyncTcpClient\FormClient.resx

     文件        874  2011-02-15 10:43  client\AsyncTcpClient\obj\AsyncTcpClient.csproj.FileListAbsolute.txt

     文件       1137  2012-11-21 16:46  client\AsyncTcpClient\obj\Debug\AsyncTcpClient.csproj.FileListAbsolute.txt

     文件        852  2012-11-21 15:45  client\AsyncTcpClient\obj\Debug\AsyncTcpClient.csproj.GenerateResource.Cache

     文件       1339  2012-11-21 14:37  client\AsyncTcpClient\obj\Debug\AsyncTcpClient.csprojResolveAssemblyReference.cache

     文件      15360  2012-11-21 16:44  client\AsyncTcpClient\obj\Debug\AsyncTcpClient.exe

     文件        180  2012-11-21 15:45  client\AsyncTcpClient\obj\Debug\AsyncTcpClient.FormClient.resources

     文件      40448  2012-11-21 16:44  client\AsyncTcpClient\obj\Debug\AsyncTcpClient.pdb

     文件        180  2012-11-21 14:07  client\AsyncTcpClient\obj\Debug\AsyncTcpClient.Properties.Resources.resources

     文件        789  2012-11-21 14:15  client\AsyncTcpClient\obj\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       6091  2012-11-21 16:45  client\AsyncTcpClient\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       4608  2012-11-21 14:15  client\AsyncTcpClient\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件        478  2011-02-10 15:55  client\AsyncTcpClient\Program.cs

     文件       1200  2011-02-10 15:55  client\AsyncTcpClient\Properties\AssemblyInfo.cs

     文件       2856  2012-11-21 14:07  client\AsyncTcpClient\Properties\Resources.Designer.cs

     文件       5612  2011-02-10 15:55  client\AsyncTcpClient\Properties\Resources.resx

     文件       1097  2012-11-21 14:07  client\AsyncTcpClient\Properties\Settings.Designer.cs

     文件        249  2011-02-10 15:55  client\AsyncTcpClient\Properties\Settings.settings

     文件        512  2011-02-10 16:00  client\AsyncTcpClient\Readobject.cs

     文件        932  2012-11-21 14:07  client\AsyncTcpClient.sln

    ..A..H.     14336  2011-02-15 10:43  client\AsyncTcpClient.suo

    ..A..H.     29184  2012-11-21 16:48  client\AsyncTcpClient.v11.suo

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