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;

namespace?myQQQ
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button2_Click（object?senders?EventArgs?e）
????????{
????????????try
????????????{
????????????????//構建UDP服務器
????????????????//設置服務IP，設置UDP端口號
????????????????ipep?=?new?IPEndPoint（IPAddress.Parse（textBox1.Text）?int.Parse（textBox2.Text））;
????????????????
????????????????//定義網絡類型，數據連接類型和網絡協議UDP
????????????????server?=?new?Socket（AddressFamily.InterNetwork?SocketType.Dgram?ProtocolType.Udp）;
????????????????Thread?th?=?new?Thread（new?ThreadStart（myListen））;
????????????????th.IsBackground?=?true;
????????????????th.Start（）;
????????????????button2.Enabled?=?false;
????????????????textBox1.Enabled?=?textBox2.Enabled?=?textBox3.Enabled?=?false;
????????????????button1.Enabled?=?true;
????????????}
????????????catch?（Exception?e2）
????????????{
????????????????MessageBox.Show（“請正確填寫！“）;
????????????}
????????}
????????Socket?server;
????????IPEndPoint?ipep;
????????private?void?myListen（）
????????{
????????????IPEndPoint?sender?=?new?IPEndPoint（IPAddress.Any?0）;
????????????EndPoint?Remote?=?（EndPoint）sender;
????????????

????????????
????????????while?（true）
????????????{????????????????
????????????????if?（ena）
????????????????{
????????????????????byte[]?data?=?new?byte[1024];
????????????????????int?recv?=?server.ReceiveFrom（data?ref?Remote）;
????????????????????richTextBox1.AppendText（Encoding.Default.GetString（data））;
????????????????}
????????????}
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????byte[]?b?=?Encoding.Default.GetBytes（textBox3.Text?+?“:\n“?+?textBox7.Text+“\n“）;
????????????server.SendTo（b?b.Length?SocketFlags.None?ipep）;
????????????richTextBox1.AppendText（textBox3.Text?+?“:\n“?+?textBox7.Text?+?“\n“）;
????????????ena?=?true;
????????}
????????bool?ena?=?false;
????????IPEndPoint?ipep2;
????????Socket?newsock2;
????????private?void?button3_Click（object?sender?EventArgs?e）
????????{
????????????try
????????????{?????????

????????????????//構建UDP服務器

????????????????//得到本機IP，設置UDP端口號?????????
????????????????ipep2?=?new?IPEndPoint（IPAddress.Any?int.Parse（textBox9.Text））;
????????????????newsock2?=?new?Socket（AddressFamily.InterNetwork?SocketType.Dgram?ProtocolType.Udp）;

????????????????//綁定網絡地址
????????????????newsock2.Bind（ipep2）;

????????????????Thread?thread?=?new?Thread（new?ThreadStart（serverListen））;
????????????????thread.IsBackground?=?true;
????????????????thread.Start（）;
????????????????button3.Enabled?=?textBox6.Enabled?=?textBox9.Enabled?=?false;
????????????}

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

?????文件??????14336??2012-04-06?13:13??myQQQ\myQQQ\bin\Debug\myQQQ.exe

?????文件??????28160??2012-04-06?13:13??myQQQ\myQQQ\bin\Debug\myQQQ.pdb

?????文件??????11600??2012-04-06?13:22??myQQQ\myQQQ\bin\Debug\myQQQ.vshost.exe

?????文件????????490??2009-08-31?00:40??myQQQ\myQQQ\bin\Debug\myQQQ.vshost.exe.manifest

?????文件???????4271??2012-04-06?13:13??myQQQ\myQQQ\Form1.cs

?????文件??????15373??2012-04-06?12:22??myQQQ\myQQQ\Form1.Designer.cs

?????文件???????5817??2012-04-06?12:22??myQQQ\myQQQ\Form1.resx

?????文件???????3669??2012-04-06?12:30??myQQQ\myQQQ\myQQQ.csproj

?????文件???????6172??2012-04-06?13:13??myQQQ\myQQQ\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????184??2012-04-06?12:30??myQQQ\myQQQ\obj\x86\Debug\GenerateResource.read.1.tlog

?????文件????????458??2012-04-06?12:30??myQQQ\myQQQ\obj\x86\Debug\GenerateResource.write.1.tlog

?????文件????????541??2012-04-06?13:22??myQQQ\myQQQ\obj\x86\Debug\myQQQ.csproj.FileListAbsolute.txt

?????文件??????14336??2012-04-06?13:13??myQQQ\myQQQ\obj\x86\Debug\myQQQ.exe

?????文件????????180??2012-04-06?12:30??myQQQ\myQQQ\obj\x86\Debug\myQQQ.Form1.resources

?????文件??????28160??2012-04-06?13:13??myQQQ\myQQQ\obj\x86\Debug\myQQQ.pdb

?????文件????????180??2012-04-06?12:30??myQQQ\myQQQ\obj\x86\Debug\myQQQ.Properties.Resources.resources

?????文件????????486??2012-04-06?11:39??myQQQ\myQQQ\Program.cs

?????文件???????1356??2012-04-06?11:39??myQQQ\myQQQ\Properties\AssemblyInfo.cs

?????文件???????2860??2012-04-06?11:39??myQQQ\myQQQ\Properties\Resources.Designer.cs

?????文件???????5612??2012-04-06?11:39??myQQQ\myQQQ\Properties\Resources.resx

?????文件???????1090??2012-04-06?11:39??myQQQ\myQQQ\Properties\Settings.Designer.cs

?????文件????????249??2012-04-06?11:39??myQQQ\myQQQ\Properties\Settings.settings

?????文件????????857??2012-04-06?11:40??myQQQ\myQQQ.sln

????..A..H.?????17920??2012-04-06?13:40??myQQQ\myQQQ.suo

?????目錄??????????0??2012-04-06?11:39??myQQQ\myQQQ\obj\x86\Debug\TempPE

?????目錄??????????0??2012-04-06?13:13??myQQQ\myQQQ\obj\x86\Debug

?????目錄??????????0??2012-04-06?12:30??myQQQ\myQQQ\bin\Debug

?????目錄??????????0??2012-04-06?11:39??myQQQ\myQQQ\obj\x86

?????目錄??????????0??2012-04-06?11:39??myQQQ\myQQQ\bin

?????目錄??????????0??2012-04-06?11:39??myQQQ\myQQQ\obj

............此處省略6個文件信息