C#获取免费代理IP地址

using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Text;
using System.Windows.Forms;
using System.xml;
using Microsoft.Win32;

namespace FetchIPAddress
{
    public partial class frmGetIp : Form
    {
        public frmGetIp（）
        {
            InitializeComponent（）;
        }
        // 下载于www.mycodes.net
        private void GetIp（）
        {
            string first = getHtml（“http://www.56ads.com/proxyip/“）;
            first = first.Substring（first.IndexOf（“            first = first.Substring（first.IndexOf（“http://www.56ads.com/article“））;
            first = first.Split（‘/‘）[4].Split（‘.‘）[0];
            int page = int.Parse（first.Substring（first.LastIndexOf（‘

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       4286  2014-08-06 22:36  ToObtainIPAddress\favicon.ico

     文件      24064  2014-09-26 14:47  ToObtainIPAddress\FetchIPAddress\bin\Debug\FetchIPAddress.exe

     文件      32256  2014-09-26 14:47  ToObtainIPAddress\FetchIPAddress\bin\Debug\FetchIPAddress.pdb

     文件      11600  2014-09-28 08:56  ToObtainIPAddress\FetchIPAddress\bin\Debug\FetchIPAddress.vshost.exe

     文件        490  2012-06-02 22:34  ToObtainIPAddress\FetchIPAddress\bin\Debug\FetchIPAddress.vshost.exe.manifest

     文件       1509  2014-09-28 08:54  ToObtainIPAddress\FetchIPAddress\bin\Debug\ip.txt

     文件       4286  2014-08-06 22:37  ToObtainIPAddress\FetchIPAddress\favicon.ico

     文件       3900  2014-09-26 14:31  ToObtainIPAddress\FetchIPAddress\FetchIPAddress.csproj

     文件       7193  2014-10-17 21:37  ToObtainIPAddress\FetchIPAddress\frmGetIp.cs

     文件       8077  2014-09-26 14:33  ToObtainIPAddress\FetchIPAddress\frmGetIp.Designer.cs

     文件      12749  2014-09-26 14:33  ToObtainIPAddress\FetchIPAddress\frmGetIp.resx

     文件       4072  2014-08-07 22:07  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       6313  2014-09-28 08:43  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件          3  2014-10-17 21:38  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\FetchIPAddress.csproj.FileListAbsolute.txt

     文件        978  2014-09-26 14:33  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\FetchIPAddress.csproj.GenerateResource.Cache

     文件      24064  2014-09-26 14:47  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\FetchIPAddress.exe

     文件       4852  2014-08-12 22:02  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\FetchIPAddress.Form1.resources

     文件       4852  2014-09-26 14:33  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\FetchIPAddress.frmGetIp.resources

     文件      32256  2014-09-26 14:47  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\FetchIPAddress.pdb

     文件        180  2014-09-26 14:31  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\FetchIPAddress.Properties.Resources.resources

     文件        180  2014-08-12 22:02  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\FetchIPAddress.Vote.resources

     文件       4608  2014-08-07 22:07  ToObtainIPAddress\FetchIPAddress\obj\x86\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件        478  2014-09-26 14:29  ToObtainIPAddress\FetchIPAddress\Program.cs

     文件       1383  2014-09-26 14:31  ToObtainIPAddress\FetchIPAddress\Properties\AssemblyInfo.cs

     文件       2868  2014-08-07 09:14  ToObtainIPAddress\FetchIPAddress\Properties\Resources.Designer.cs

     文件       5612  2014-08-06 20:31  ToObtainIPAddress\FetchIPAddress\Properties\Resources.resx

     文件       1114  2014-08-07 09:14  ToObtainIPAddress\FetchIPAddress\Properties\Settings.Designer.cs

     文件        249  2014-08-06 20:31  ToObtainIPAddress\FetchIPAddress\Properties\Settings.settings

     文件       1564  2014-09-26 14:31  ToObtainIPAddress\FetchIPAddress.sln

    ..A..H.     39424  2014-09-28 09:15  ToObtainIPAddress\FetchIPAddress.suo

............此处省略14个文件信息