c#使用一个socket同时发送字符串和文件

vs2005编写,c#使用一个socket同时发送字符串和文件

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

namespace Receiver
{
    public partial class FormReceiver : Form
    {
        Socket socket;
        Int32 port = 13000;
        string ip = “127.0.0.1“;
        Thread mythread;
        delegate void setTextbox（string strConn）;
        setTextbox _setTextbox = null;

        public FormReceiver（）
        {
            InitializeComponent（）;
        }


        private void FormReceiver_Load（object sender EventArgs e）
        {
            try
            {
                _setTextbox = new setTextbox（this.DispText）;
                mythread = new Thread（new ThreadStart（BeginListen））;
                mythread.Start（）;
            }
            catch
            {
                socket.Close（）;
                mythread.Abort（）;
            }
        }

        private void FormReceiver_FormClosing（object sender FormClosingEventArgs e）
        {
            System.Environment.Exit（0）; 
        }

        private void DispText（string str）
        {
            textBox1.Text = str;
        }

        private void BeginListen1（）
        {
            IPAddress ipAddress = IPAddress.Parse（ip）;
            socket = new Socket（AddressFamily.InterNetwork SocketType.Stream ProtocolType.Tcp）;
            IPEndPoint iep = new IPEndPoint（ipAddress port）;
            byte[] byteMessage = new byte[1048576];
            socket.Bind（iep）;
            while （true）
            {
                Socket newSocket = null;
                try
                {
                    socket.Listen（10）;
                    newSocket = socket.Accept（）;
                    int bytes = 0;
                    int datanum = 0; 
                    string s = ““;
                    while （true）
                    {
                        bytes = newSocket.Receive（byteMessage byteMessage.Length 0）;
                        datanum = BitConverter.ToInt32（byteMessage 0）;   //从buffer中的前4个字节读出count 
                        if （bytes <= 0）
                            break;
                        s += Encoding.Unicode.GetString（byteMessage4bytes-4）;
                    }                   
                    string sTime = DateTime.Now.ToShortTimeString（）;
                    string msg = sTime + “ “ + “Message from “ + newSocket.RemoteEndPoint.ToString（） + “ :“;
                    //字符串
                    msg += s;
                    //在文本框内显示
                    this.Invoke（_setTextbox msg）;
                }
                catch（Exception e）
                {
                    newSocket.Close（）;
                    MessageBox.Show（e.ToString（））;
                }
            }
        }

        private void Begin

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2012-08-09 14:26  SocketTest\
     目录           0  2012-08-12 00:39  SocketTest\Receiver\
     目录           0  2012-08-09 22:34  SocketTest\Receiver\bin\
     目录           0  2012-08-12 00:35  SocketTest\Receiver\bin\Debug\
     文件      951755  2012-08-12 00:41  SocketTest\Receiver\bin\Debug\1.jpg
     文件       24576  2012-08-12 00:39  SocketTest\Receiver\bin\Debug\Receiver.exe
     文件       28160  2012-08-12 00:39  SocketTest\Receiver\bin\Debug\Receiver.pdb
     文件        5632  2005-11-11 22:25  SocketTest\Receiver\bin\Debug\Receiver.vshost.exe
     文件        7396  2012-08-12 00:39  SocketTest\Receiver\FormReceiver.cs
     文件        2941  2012-08-12 00:38  SocketTest\Receiver\FormReceiver.Designer.cs
     文件        5814  2012-08-12 00:38  SocketTest\Receiver\FormReceiver.resx
     目录           0  2012-08-09 22:36  SocketTest\Receiver\obj\
     目录           0  2012-08-12 00:39  SocketTest\Receiver\obj\Debug\
     文件         849  2012-08-12 00:38  SocketTest\Receiver\obj\Debug\Receiver.csproj.GenerateResource.Cache
     文件       24576  2012-08-12 00:39  SocketTest\Receiver\obj\Debug\Receiver.exe
     文件         180  2012-08-12 00:38  SocketTest\Receiver\obj\Debug\Receiver.FormReceiver.resources
     文件       28160  2012-08-12 00:39  SocketTest\Receiver\obj\Debug\Receiver.pdb
     文件         180  2012-08-09 22:36  SocketTest\Receiver\obj\Debug\Receiver.Properties.Resources.resources
     目录           0  2012-08-09 22:34  SocketTest\Receiver\obj\Debug\Refactor\
     目录           0  2012-08-10 00:37  SocketTest\Receiver\obj\Debug\TempPE\
     文件        4608  2012-08-10 00:37  SocketTest\Receiver\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll
     文件         554  2012-08-12 00:41  SocketTest\Receiver\obj\Receiver.csproj.FileListAbsolute.txt
     文件         474  2012-08-09 22:34  SocketTest\Receiver\Program.cs
     目录           0  2012-08-09 14:26  SocketTest\Receiver\Properties\
     文件        1182  2012-08-09 14:26  SocketTest\Receiver\Properties\AssemblyInfo.cs
     文件        2840  2012-08-10 00:37  SocketTest\Receiver\Properties\Resources.Designer.cs
     文件        5612  2012-08-09 14:26  SocketTest\Receiver\Properties\Resources.resx
     文件        1106  2012-08-10 00:37  SocketTest\Receiver\Properties\Settings.Designer.cs
     文件         249  2012-08-09 14:26  SocketTest\Receiver\Properties\Settings.settings
     文件        3295  2012-08-10 00:54  SocketTest\Receiver\Receiver.csproj
     目录           0  2012-08-12 00:41  SocketTest\Sender\
............此处省略31个文件信息