using?System.Text;
using?System.Net.Sockets;
using?System.Net;
using?System.Threading;

namespace?FeiXun2011
{
????///?

????///?自定義廣播類
????///?

????class?CustomBroadCast
????{
????????#region?Fields
????????private?UdpClient?_udpClient;
????????private?IPEndPoint?_ep;
????????private?string?_userName;
????????private?int?_phoIndex;
????????private?string?_computerInfo;
????????#endregion?Fields

????????#region?Properties

????????///?

????????///設置用戶名
????????///?

????????public?string?MyUserName
????????{
????????????set
????????????{
????????????????_userName?=?value;
????????????}
????????}

????????///?

????????///?設置用戶頭像索引
????????///?

????????public?int?MyPhoIndex
????????{
????????????set
????????????{
????????????????_phoIndex?=?value;
????????????}
????????}

????????#endregion?Properties

????????#region?Constructors

????????///?

????????///?構造函數
????????///?

????????///?用戶名
????????///?用戶頭像索引
????????public?CustomBroadCast（string?useName?int?phoIndex）
????????{
????????????_userName?=?useName;
????????????_phoIndex?=?phoIndex;
????????????IPAddress[]?ips?=?Dns.GetHostEntry（Dns.GetHostName（））.AddressList;
????????????foreach?（IPAddress?ip?in?ips）//取當前IPV4本地地址
????????????{
????????????????string?t?=?ip.ToString（）;
????????????????int?a?=?t.Length;
????????????????if?（ip.ToString（）.Length?<=?15）
????????????????{
????????????????????_computerInfo?=?ip.ToString（）;//第一個長度不大于15為IPv4地址本地地址
????????????????????break;
????????????????}
????????????}
????????}

????????#endregion?Constructors

????????#region?Methods

????????///?

????????///?不斷向局域網內廣播告訴其它用戶在線數據格式?是否退出?頭像?用戶名?ip
????????///?

????????public?void?BroadCast（）
????????{
????????????_udpClient?=?new?UdpClient（）;
????????????_ep?=?new?IPEndPoint（IPAddress.Broadcast?7999）;
????????????byte[]?buff;
????????????try
????????????{
????????????????while?（true）
????????????????{
????????????????????string?userInfo?=“1#“+_phoIndex?+?“#“?+?_userName?+?“#“?+?_computerInfo+“#“+“8001“;
????????????????????buff?=?Encoding.UTF8.GetBytes（userInfo）;
????????????????????_udpClient.Send（buff?buff.Length?_ep）;
????????????????????Thread.Sleep（2000）;//每隔2秒廣播一次
????????????????}
????????????}
????????????catch
????????????{

????????????????return;
????????????}


????????}

????????///?

????????///?退出時向局域網中發退出信息“0”
????????///?

????????public?void?BroadExit（）
????????{
????????????string?computerExitInfo?=?“0#“?+?_phoIndex?+?“#“?+?_userName?+?“#“?+?_computerInfo?+?“#“?+?“8001“;
????????????byte[]?buff?=?Encoding.UTF8.GetBytes（computerExitInfo）;
????????????_udpClient.Send（buff?buff.Length?_ep）;
????????????_udpClient.Close（）;
????????}

????????#endregion?Methods

????}
}

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

?????文件???????2143??2014-07-04?11:06??FeiXun\FeiXun.sln

????..A..H.?????71168??2014-07-04?13:00??FeiXun\FeiXun.v12.suo

?????文件????????363??2014-07-04?11:12??FeiXun\FeiXun2014\App.config

?????文件??????53248??2009-11-21?20:48??FeiXun\FeiXun2014\bin\Debug\AxInterop.WMPLib.dll

?????文件????3178496??2008-09-09?09:54??FeiXun\FeiXun2014\bin\Debug\DevComponents.DotNetBar2.dll

?????文件?????137407??2011-05-29?18:34??FeiXun\FeiXun2014\bin\Debug\FeiXun2011.rar

?????文件????????308??2014-07-04?11:03??FeiXun\FeiXun2014\bin\Debug\FeiXun2011.vshost.exe.config

?????文件?????376320??2014-07-04?11:35??FeiXun\FeiXun2014\bin\Debug\FeiXun2014.exe

?????文件????????363??2014-07-04?11:12??FeiXun\FeiXun2014\bin\Debug\FeiXun2014.exe.config

?????文件?????110080??2014-07-04?11:35??FeiXun\FeiXun2014\bin\Debug\FeiXun2014.pdb

?????文件??????22712??2014-07-04?11:37??FeiXun\FeiXun2014\bin\Debug\FeiXun2014.vshost.exe

?????文件????????363??2014-07-04?11:12??FeiXun\FeiXun2014\bin\Debug\FeiXun2014.vshost.exe.config

?????文件??????11264??2014-07-04?11:13??FeiXun\FeiXun2014\bin\Debug\FeiXunCommon.dll

?????文件??????30208??2014-07-04?11:13??FeiXun\FeiXun2014\bin\Debug\FeiXunCommon.pdb

?????文件?????172116??2011-05-21?18:02??FeiXun\FeiXun2014\bin\Debug\FeiXunStart.exe

?????文件???????1013??2006-05-08?10:17??FeiXun\FeiXun2014\bin\Debug\image\crit_16.gif

?????文件????????824??2004-10-29?15:46??FeiXun\FeiXun2014\bin\Debug\image\down.bmp

?????文件????????283??2005-11-12?00:00??FeiXun\FeiXun2014\bin\Debug\image\exportd.gif

?????文件????????824??2004-10-29?15:22??FeiXun\FeiXun2014\bin\Debug\image\Folder.bmp

?????文件????????246??2004-08-20?03:21??FeiXun\FeiXun2014\bin\Debug\image\FontDialog.bmp

?????文件????????824??2004-10-29?15:22??FeiXun\FeiXun2014\bin\Debug\image\Open.bmp

?????文件???????1236??2005-11-12?00:00??FeiXun\FeiXun2014\bin\Debug\image\refresh_over.gif

?????文件??????11264??2011-05-24?22:17??FeiXun\FeiXun2014\bin\Debug\image\Thumbs.db

?????文件????????824??2004-10-29?15:46??FeiXun\FeiXun2014\bin\Debug\image\up.bmp

?????文件?????274432??2011-05-10?21:16??FeiXun\FeiXun2014\bin\Debug\Interop.WMPLib.dll

?????文件???????7168??2014-07-04?11:33??FeiXun\FeiXun2014\bin\Debug\OwnInfo.db3

?????文件???????4825??1998-10-29?17:43??FeiXun\FeiXun2014\bin\Debug\sounds\Global.wav

?????文件???????9220??1998-05-02?04:01??FeiXun\FeiXun2014\bin\Debug\sounds\msg.wav

?????文件??????15326??2002-09-11?12:23??FeiXun\FeiXun2014\bin\Debug\sounds\ring.wav

?????文件???????9216??2011-12-23?17:47??FeiXun\FeiXun2014\bin\Debug\SQLiteDBHelper.dll

............此處省略198個文件信息