求教一个关于C#中使用VPN的问题－麻麻说标题要长才能够早点结贴

Question

想做个小程序，需要使用ＶＰＮ改变ＩＰ地址，语言是C#.
---------------此为背景，割割割割割
1.以前看到有个叫［信鸽］的营销工具可以导入[91vpn]的代理线路并使用，谁知道是怎么实现的？2.还有什么办法让我得到C#程序里可以调用的VPN线路？(收费的也可)vpnc#工具

Answer 1

需要更换ＩＰ，主要代码是:using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Text.RegularExpressions;
using System.IO;
using System.Threading;
namespace zhangc
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        public string[] ini;
        public int page = 0;
        private void Form1_Load(object sender, EventArgs e)
        {
            wb.Navigate(new Uri("http://baidu.com"));            StreamReader sr = new StreamReader("./ini.txt", Encoding.Default);
            string txt = sr.ReadToEnd();
            ini = txt.Split(',');
            sr.Close();
            textBox1.Text = ini[0];
            textBox2.Text = ini[1];
        }        private void button1_Click(object sender, EventArgs e)
        {
            page = 1;            //搜索词赋值
            HtmlElement kw = wb.Document.All["kw"];
            kw.SetAttribute("value", textBox1.Text.ToString());
            //提交搜索            HtmlElement submit = wb.Document.All["su"];
            submit.InvokeMember("click");
            //wb.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(wb_DocumentCompleted);        }        public static string GetValue(string str, string s, string e)
        {
            Regex rg = new Regex("(?<=(" + s + "))[.\\s\\S]*?(?=(" + e + "))", RegexOptions.Multiline | RegexOptions.Singleline);
            return rg.Match(str).Value;
        }        private void wb_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            foreach (HtmlElement archor in this.wb.Document.Links)
            {
                archor.SetAttribute("target", "_self");
            }            //将所有的FORM的提交目标，指向本窗体
            foreach (HtmlElement form in this.wb.Document.Forms)
            {
                form.SetAttribute("target", "_self");
            }            if (page == 1)
            {
                //HtmlElementCollection link = wb.Document.GetElementById(textBox2.Text.ToString()).GetElementsByTagName("a");
                //link[0].InvokeMember("click");                int all = wb.Document.GetElementsByTagName("table").Count;
                for (int i = 0; i < all;i++ )
                {
                    HtmlElement getem = wb.Document.GetElementsByTagName("table")[i];
                    if(getem.InnerHtml.Contains("张功"))
                    {
                        wb.Document.GetElementsByTagName("table")[i].GetElementsByTagName("a")[0].InvokeMember("click");
                        break;
                    }
                }            }
        }        private void button2_Click(object sender, EventArgs e)
        {
            Form1_Load(null, null);
        }
    }
}

Answer 2

vpn可以在网页中输入，用个webbrowse控件控制下不就行了

Answer 3

/// <summary>
        /// 清空ie代理
        /// </summary>
        /// <returns></returns>
        public bool SetCleanIEPoxy()
        {
            try
            {
                //打开注册表键 
                Microsoft.Win32.RegistryKey rk = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings", true);
                //设置代理不可用 
                rk.SetValue("ProxyEnable", 0);
                rk.Close();
                return true;
            }
            catch { return false; }
        }
/// <summary>
        /// 设置ie代理
        /// </summary>
        /// <returns></returns>
        public  bool SetIEPoxy()
        {
            try
            {
                string TempPoxy = "";
                int Tmi = 0;
            cs:
                try
                {
                    if (!MainForm.NowRead)
                        TempPoxy = MainForm.ProxyList[Rd.Next(ProxyIndex)].Trim();
                    else
                        TempPoxy = MainForm.ProxyList_Old[Rd.Next(ProxyIndex)].Trim();
                    if (TempPoxy.Trim() == "" || !MainForm.GetPage("http://www.baidu.com", TempPoxy, Encoding.UTF8).Contains("tieba.baidu.com"))
                    {
                        Thread.Sleep(500);
                        Tmi++;
                        if (Tmi > 10)
                            return false;
                        goto cs;
                    }
                }
                catch { return false; }                //打开注册表键 
                Microsoft.Win32.RegistryKey rk = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings", true);
                //设置代理可用 
                rk.SetValue("ProxyEnable", 1);
                //设置代理IP和端口 
                rk.SetValue("ProxyServer", TempPoxy);
                rk.Close();
                return true;
            }
            catch { return false; }
        }