adsl拨号 有截图

using System;
using System.Collections.Generic;
using System.Text;
using System.Timers;
using System.Runtime.InteropServices;
using Microsoft.Win32;

namespace ConnectionDial
{
    public class Ras
    {
        // Fields
        private bool bConnected;
        private ConnectionNotify ConnectNotify;
        private const int DNLEN = 15;
        private string EntryName;
        private const int ERROR_BUFFER_TOO_SMALL = 0x25b;
        private int hrasconn;
        public const int MAX_PATH = 260;
        public Timer NotifyTimer;
        private const int PWLEN = 0x100;
        private const string Ras_Authenticate = “正在验证用户名与密码.“;
        public const string Ras_Connected = “成功连接到“;
        public const string Ras_Connecting = “正在连接“;
        private const string

 属性            大小     日期    时间   名称
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     目录           0  2013-04-10 21:54  断网拨号\
     目录           0  2013-04-11 03:01  断网拨号\断网拨号\
     文件         926  2013-04-10 21:54  断网拨号\断网拨号.sln
     文件        8704  2013-04-11 02:22  断网拨号\断网拨号.suo
     文件       24404  2013-04-11 02:44  断网拨号\断网拨号\ADSL.cs
     目录           0  2013-04-10 21:54  断网拨号\断网拨号\bin\
     目录           0  2013-04-11 03:05  断网拨号\断网拨号\bin\Debug\
     文件       18432  2013-04-11 10:15  断网拨号\断网拨号\bin\Debug\断网拨号.exe
     文件       36352  2013-04-11 10:15  断网拨号\断网拨号\bin\Debug\断网拨号.pdb
     文件       14328  2013-04-11 10:10  断网拨号\断网拨号\bin\Debug\断网拨号.vshost.exe
     文件         490  2007-07-21 01:33  断网拨号\断网拨号\bin\Debug\断网拨号.vshost.exe.manifest
     文件        1996  2013-04-11 10:15  断网拨号\断网拨号\Form1.cs
     文件        6023  2013-04-11 10:15  断网拨号\断网拨号\Form1.Designer.cs
     文件        5814  2013-04-11 10:15  断网拨号\断网拨号\Form1.resx
     目录           0  2013-04-10 21:54  断网拨号\断网拨号\obj\
     目录           0  2013-04-11 03:05  断网拨号\断网拨号\obj\Debug\
     目录           0  2013-04-11 02:54  断网拨号\断网拨号\obj\Debug\Refactor\
     目录           0  2013-04-10 21:54  断网拨号\断网拨号\obj\Debug\TempPE\
     文件        1630  2013-04-11 10:15  断网拨号\断网拨号\obj\Debug\断网拨号.csproj.FileListAbsolute.txt
     文件         847  2013-04-11 10:15  断网拨号\断网拨号\obj\Debug\断网拨号.csproj.GenerateResource.Cache
     文件       18432  2013-04-11 10:15  断网拨号\断网拨号\obj\Debug\断网拨号.exe
     文件         180  2013-04-11 10:15  断网拨号\断网拨号\obj\Debug\断网拨号.Form1.resources
     文件       36352  2013-04-11 10:15  断网拨号\断网拨号\obj\Debug\断网拨号.pdb
     文件         180  2013-04-11 10:15  断网拨号\断网拨号\obj\Debug\断网拨号.Properties.Resources.resources
     文件         493  2013-04-10 21:54  断网拨号\断网拨号\Program.cs
     目录           0  2013-04-10 21:54  断网拨号\断网拨号\Properties\
     文件        1384  2013-04-10 21:54  断网拨号\断网拨号\Properties\AssemblyInfo.cs
     文件        2874  2013-04-10 21:54  断网拨号\断网拨号\Properties\Resources.Designer.cs
     文件        5612  2013-04-10 21:54  断网拨号\断网拨号\Properties\Resources.resx
     文件        1097  2013-04-10 21:54  断网拨号\断网拨号\Properties\Settings.Designer.cs
     文件         249  2013-04-10 21:54  断网拨号\断网拨号\Properties\Settings.settings
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