using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Net.Sockets;
using?System.Net;
using?System.Windows.Forms;

namespace?wonder
{
????class?ClassBoardCast
????{
????????UdpClient?bcUdpClient?=?new?UdpClient（）;
????????IPEndPoint?bcIPEndPoint?=?new?IPEndPoint（IPAddress.Parse（“255.255.255.255“）?2425）;

????????public?string?localIP?=?string.Empty;

????????//獲取本機(jī)IP，如果是vista或windows7，取InterNetwork對(duì)應(yīng)的地址
????????public?void?GetLocalIP（）
????????{
????????????try
????????????{
????????????????foreach?（IPAddress?_ipAddress?in?Dns.GetHostEntry（Dns.GetHostName（））.AddressList）
????????????????{
????????????????????if?（_ipAddress.AddressFamily.ToString（）?==?“InterNetwork“）
????????????????????{
????????????????????????localIP?=?_ipAddress.ToString（）;
????????????????????????break;
????????????????????}
????????????????????else
????????????????????{
????????????????????????localIP?=?Dns.GetHostEntry（Dns.GetHostName（））.AddressList[0].ToString（）;
????????????????????}
????????????????}
????????????}
????????????catch?（Exception?ex）
????????????{
????????????????MessageBox.Show（ex.Message）;
????????????}

????????}

????????//發(fā)送自己的信息到廣播地址
????????public?void?BoardCast（）
????????{
????????????GetLocalIP（）;
????????????string?computerInfo?=?“:USER:“?+?UserLogin.UserItem.NicName?+?“:“?+?System.Environment.UserName?+
????????????????“:“?+?localIP?+?“:“?+?UserLogin.UserItem.PersonalMsg.Trim（）;

????????????byte[]?buff?=?Encoding.Default.GetBytes（computerInfo）;
????????????//?while?（true）
????????????//{
????????????bcUdpClient.Send（buff?buff.Length?bcIPEndPoint）;
????????????//?????Thread.Sleep（2000）;
????????????//}
????????}

????????//用戶(hù)退出時(shí)，發(fā)送消息至廣播地址
????????public?void?UserQuit（）
????????{
????????????GetLocalIP（）;
????????????string?quitInfo?=?“:QUIT:“?+?localIP;
????????????byte[]?bufQuit?=?Encoding.Default.GetBytes（quitInfo）;

????????????bcUdpClient.Send（bufQuit?bufQuit.Length?bcIPEndPoint）;
????????}

????????//收到別人上線(xiàn)的通知時(shí)，回復(fù)對(duì)方，以便對(duì)方將自己加入在線(xiàn)用戶(hù)列表
????????public?void?BCReply（string?ipReply）
????????{
????????????GetLocalIP（）;
????????????IPEndPoint?EPReply?=?new?IPEndPoint（IPAddress.Parse（ipReply）?2425）;
????????????string?computerInfo?=?“:USER:“?+?UserLogin.UserItem.NicName?+?“:“?+?System.Environment.UserName?+
????????????????“:“?+?localIP?+?“:“?+?UserLogin.UserItem.PersonalMsg.Trim（）;

????????????byte[]?buff?=?Encoding.Default.GetBytes（computerInfo）;
????????????bcUdpClient.Send（buff?buff.Length?EPReply）;
????????}
????}
}

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件???????2547??2016-01-18?10:42??wonderIm\WimSln.sln

????..A..H.?????68096??2016-01-18?15:15??wonderIm\WimSln.suo

?????文件????????144??2016-01-18?15:06??wonderIm\WinCode\app.config

?????文件????1668096??2013-11-02?16:12??wonderIm\WinCode\bin\Debug\CSkin.dll

?????文件???????3924??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（0）.png

?????文件???????3677??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（1）.png

?????文件???????2250??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（10）.PNG

?????文件???????3157??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（11）.PNG

?????文件???????2451??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（12）.PNG

?????文件???????2300??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（13）.PNG

?????文件???????2396??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（14）.PNG

?????文件???????2545??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（15）.PNG

?????文件???????2545??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（16）.PNG

?????文件???????3868??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（17）.PNG

?????文件???????3824??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（18）.PNG

?????文件???????3821??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（19）.PNG

?????文件???????3436??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（2）.png

?????文件???????3788??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（20）.PNG

?????文件???????4411??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（21）.PNG

?????文件???????4204??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（22）.PNG

?????文件???????4251??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（23）.PNG

?????文件???????3598??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（24）.PNG

?????文件???????4049??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（25）.PNG

?????文件???????4057??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（26）.PNG

?????文件???????3998??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（27）.PNG

?????文件???????4208??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（28）.PNG

?????文件???????3834??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（29）.PNG

?????文件???????2496??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（3）.PNG

?????文件???????3862??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（30）.PNG

?????文件???????4076??2010-09-09?21:37??wonderIm\WinCode\bin\Debug\Head\1?（31）.PNG

............此處省略414個(gè)文件信息