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?聊天2
{
????public?partial?class?Form1?:?Form
????{
????????private?UdpClient?receiveUdpClient;
????????private?UdpClient?sendUdpClient;
????????private??int?port;
????????IPAddress?ip;
????????IPAddress?remotIp;
????????public?Form1（int?Portstring?fip）
????????{
??????????
????????????this.port?=?Port;
????????????InitializeComponent（）;
????????????IPAddress[]?ips?=?Dns.GetHostAddresses（Dns.GetHostName（））;
????????????ip?=?ips[ips.Length?-?1];

????????????try
????????????{
????????????????remotIp?=?IPAddress.Parse（fip）;
??????????????
????????????}
????????????catch?（Exception）
????????????{
????????????????remotIp?=?ip;
????????????}
???????????
????????????textBox3.Text?=?“您好！“;
????????????this.Text?=?“與“?+?fip?+?“聊天中“;

????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????Thread?myThread?=?new?Thread（ReceiveData）;
????????????myThread.Start（）;
????????????textBox3.Focus（）;

????????}
????????private?void?ReceiveData（）
????????{
????????????IPEndPoint?local?=?new?IPEndPoint（ip?port）;
????????????receiveUdpClient?=?new?UdpClient（local）;
????????????IPEndPoint?remote?=?new?IPEndPoint（IPAddress.Any?0）;
????????????while?（true）
????????????{
????????????????try
????????????????{
????????????????????byte[]?receiveBytes?=?receiveUdpClient.Receive（ref?remote）;
????????????????????string?receiveMessage?=?Encoding.Unicode.GetString（receiveBytes0receiveBytes.Length）;
????????????????????AddItem（listBox1string.Format（“來自{0}：{1}“remote?receiveMessage））;

????????????????????
????????????????}
????????????????catch?（Exception）
????????????????{

????????????????????break;
????????????????}
????????????}
????????}
????????delegate?void?AddListBoxItemDelegate（ListBox?listBoxstring?text）;
????????private?void?AddItem（ListBox?listBox?string?text）
????????{
????????????if?（listBox.InvokeRequired）
????????????{
????????????????AddListBoxItemDelegate?d?=?AddItem;
????????????????listBox.Invoke（d?new?object[]?{?listBox?text?}）;

????????????}
????????????else
????????????{
????????????????listBox.Items.Add（text）;
????????????????listBox.SelectedIndex?=?listBox.Items.Count?-?1;
????????????????listBox.ClearSelected（）;
????????????}
????????}
????????delegate?void?ClearTextBoxDelegate（）;
????????private?void?ClearTextBox（）
????????{
????????????if?（textBox3.InvokeRequired）
????????????{
????????????????ClearTextBoxDelegate?d?=?ClearTextBox;
????????????????textBox3.Invoke（d）;

????????????}
????????????else
????????????{
????????????????textBox3.Clear（）;
????????????????textBox3.Focus（）;
????????????}
????????}

????????private?void?button1_Click（object?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-03-06?16:13??類飛秋聊天軟件\
?????目錄???????????0??2011-03-04?19:43??類飛秋聊天軟件\聊天2\
?????目錄???????????0??2011-03-06?16:02??類飛秋聊天軟件\聊天2\聊天2\
?????文件?????????911??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2.sln
?????文件???????13824??2011-03-05?11:23??類飛秋聊天軟件\聊天2\聊天2.suo
?????目錄???????????0??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2\bin\
?????目錄???????????0??2011-03-04?20:32??類飛秋聊天軟件\聊天2\聊天2\bin\Debug\
?????文件???????11776??2011-03-06?16:02??類飛秋聊天軟件\聊天2\聊天2\bin\Debug\聊天2.exe
?????文件???????28160??2011-03-06?16:02??類飛秋聊天軟件\聊天2\聊天2\bin\Debug\聊天2.pdb
?????文件???????14328??2011-03-06?14:29??類飛秋聊天軟件\聊天2\聊天2\bin\Debug\聊天2.vshost.exe
?????文件?????????490??2007-07-21?01:33??類飛秋聊天軟件\聊天2\聊天2\bin\Debug\聊天2.vshost.exe.manifest
?????文件????????3966??2011-03-06?16:02??類飛秋聊天軟件\聊天2\聊天2\Form1.cs
?????文件????????5769??2011-03-05?14:50??類飛秋聊天軟件\聊天2\聊天2\Form1.Designer.cs
?????文件????????5814??2011-03-05?14:50??類飛秋聊天軟件\聊天2\聊天2\Form1.resx
?????目錄???????????0??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2\obj\
?????目錄???????????0??2011-03-06?16:02??類飛秋聊天軟件\聊天2\聊天2\obj\Debug\
?????目錄???????????0??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2\obj\Debug\TempPE\
?????文件?????????748??2011-03-06?14:29??類飛秋聊天軟件\聊天2\聊天2\obj\Debug\聊天2.csproj.FileListAbsolute.txt
?????文件?????????847??2011-03-05?14:50??類飛秋聊天軟件\聊天2\聊天2\obj\Debug\聊天2.csproj.GenerateResource.Cache
?????文件???????11776??2011-03-06?16:02??類飛秋聊天軟件\聊天2\聊天2\obj\Debug\聊天2.exe
?????文件?????????180??2011-03-05?14:50??類飛秋聊天軟件\聊天2\聊天2\obj\Debug\聊天2.Form1.resources
?????文件???????28160??2011-03-06?16:02??類飛秋聊天軟件\聊天2\聊天2\obj\Debug\聊天2.pdb
?????文件?????????180??2011-03-05?14:50??類飛秋聊天軟件\聊天2\聊天2\obj\Debug\聊天2.Properties.Resources.resources
?????文件?????????502??2011-03-05?15:25??類飛秋聊天軟件\聊天2\聊天2\Program.cs
?????目錄???????????0??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2\Properties\
?????文件????????1356??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2\Properties\AssemblyInfo.cs
?????文件????????2864??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2\Properties\Resources.Designer.cs
?????文件????????5612??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2\Properties\Resources.resx
?????文件????????1092??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2\Properties\Settings.Designer.cs
?????文件?????????249??2011-03-04?19:43??類飛秋聊天軟件\聊天2\聊天2\Properties\Settings.settings
?????文件????????3760??2011-03-05?14:50??類飛秋聊天軟件\聊天2\聊天2\聊天2.csproj
............此處省略41個文件信息