C# 局域网文件传输与聊天程序源码

C# 实现局域网文件传输与聊天程序源码，此源码为winform窗体。

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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.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO;
using System.Collections;
using System.Collections.Specialized;
using System.Threading;






namespace send
{
    public partial class Form1 : Form
    {
        
        private Thread t;
        private UdpClient receivingUdpClient;
        private string stFlag = null;
        System.Timers.Timer timer = new System.Timers.Timer（1000）;//发送UDP广播时间间隔
        //System.Timers.Timer timerA = new System.Timers.Timer（1000）;

        private string filePathSend = null;
        private string fileNameSend;
        private string fileNameAccept;
        private string filePathAccept = null;
        private Thread fileThreadSend;
        private TcpClient fileTcpClientSend;
        private BinaryReader brSend=null;
        private TcpListener fileListen;
        private Thread fileListenThread;
        private TcpClient fileClientAccept;
        private Thread fileThreadAccept;
        private BinaryWriter bwAccept;
        private Int64 recSize = 0size=0;//接收文件大小文件本身大小
        private float recFloat = 0 recFile = 0;
        private float sendFloat = 0 sendFile = 0;
        private bool acceptFlag = true;
        private int timeFlagSend = 0;
        private float sendfloat = 0acceptfloat=0;
        private int timeFlagAccept = 0;
        private bool sendFlag = true;
        
        
        
       
        public Form1（）
        {
            InitializeComponent（）;
        }



        //聊天中发送的实现
        private void button1_Click（object sender EventArgs e）
        {
            int FlagChat = 0;
            if （textBox2.Text==““） 
            {
                MessageBox.Show（“消息不能为空“）;
            }
            else
            {
            UdpClient udpClient = new UdpClient（）;
            Byte[] sendBytes = Encoding.GetEncoding（“gb2312“）.GetBytes（“chat“ + textBox2.Text）;



            ListView.CheckedListViewItemCollection checkedItemsChat =listView1.CheckedItems;

            foreach （ListViewItem item in checkedItemsChat）
            {
                try
                {
                    if （item.SubItems[0].Text.ToString（）.Equals（Dns.GetHostName（）.ToString（） + “-本机“））
                    {
                        textBox1.Text += “您对自己说:“ + “  “ + DateTime.Now.ToString（） + “\r\n“ + “  “ + textBox2.Text + “\r\n“;
                 
                    }
                    else

                        textBox1.Text += “您对“ + item.SubItems[0].Text.ToString（） + “说:“ + “  “ + DateTime.Now.ToString（） + “\r\n“ + “  “ + textBox2.Text + “\r\n“;
                        udpClient.Send（sendBytes sendByt

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

     文件        901  2007-12-10 15:08  send.sln

    .......         0  2007-12-11 22:35  send\bin\Debug\20071211.txt

    .......     32768  2007-12-17 18:22  send\bin\Debug\send.exe

    .......     38400  2007-12-17 18:22  send\bin\Debug\send.pdb

    .......      5632  2005-12-08 14:51  send\bin\Debug\send.vshost.exe

    .......         1  2007-12-11 12:48  send\ClassDiagram1.cd

     文件      29375  2013-01-12 23:00  send\Form1.cs

     文件       8910  2013-01-12 23:00  send\Form1.Designer.cs

    .......      5814  2007-12-17 14:42  send\Form1.resx

    .......       842  2007-12-17 14:54  send\obj\Debug\send.csproj.GenerateResource.Cache

    .......     32768  2007-12-17 18:22  send\obj\Debug\send.exe

    .......       180  2007-12-17 14:54  send\obj\Debug\send.Form1.resources

    .......     38400  2007-12-17 18:22  send\obj\Debug\send.pdb

    .......       180  2007-12-17 14:54  send\obj\Debug\send.Properties.Resources.resources

    .......       247  2007-12-18 19:15  send\obj\send.csproj.FileList.txt

     文件        518  2013-01-12 23:00  send\Program.cs

     文件       1218  2013-01-12 23:00  send\Properties\AssemblyInfo.cs

     文件       2900  2013-01-12 23:00  send\Properties\Resources.Designer.cs

    .......      5612  2007-12-10 15:08  send\Properties\Resources.resx

     文件       1125  2013-01-12 23:00  send\Properties\Settings.Designer.cs

    .......       249  2007-12-10 15:08  send\Properties\Settings.settings

    .......      3256  2007-12-11 18:30  send\send.csproj

    .......       168  2007-12-11 12:50  send\send.csproj.user

     目录          0  2007-12-12 23:17  send\obj\Debug\TempPE

     目录          0  2007-12-17 14:54  send\bin\Debug

     目录          0  2007-12-17 18:22  send\obj\Debug

     目录          0  2007-12-12 23:17  send\bin

     目录          0  2007-12-17 14:54  send\obj

     目录          0  2007-12-12 23:17  send\Properties

     目录          0  2007-12-17 18:22  send

............此处省略3个文件信息