基于c#的IE 代理服务器设置

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在进行IE代理服务设置时，需要手动打开代理服务器以及设置IE浏览器代理设置、开启或关闭。此处利用c#编写窗体，一键打开代理服务器、设置IE代理。此程序是基于一改进方案进行开发。一般的做法是直接修改注册表进行IE代理的设置，但是需要重启浏览器才能生效，改进方案中修正这一弊端，在浏览器运行时就能正常设置代理，但是不涉及代理服务器。此程序可以调用已经配置好的代理服务器，在开启代理后，能直接访问需要代理的网站，此程序经过安装部署处理。

主要程序的将在最后显示。

以下记录使用的部分程序：

1.计算已使用此代理程序时间：

DateTime start_time = DateTime.Now;

 private void show_timer_Tick(object sender, EventArgs e)        {            DateTime time_now = DateTime.Now;            date_label.Text = time_now.ToShortDateString();            time_label.Text = time_now.ToShortTimeString();            TimeSpan time_begin = new TimeSpan(start_time.Ticks);            TimeSpan time_end= new TimeSpan(time_now.Ticks);            TimeSpan time_span = time_end.Subtract(time_begin).Duration();            usedTime_label.Text ="Used "+ time_span.Hours.ToString() + " hours" + " "+time_span.Minutes.ToString() + " mins";        }

主要使用 TimeSpan 以及 Timer 控件。此处同时显示了当前时间。

2，获取计算机的有关信息，电脑名，用户名，处理器数量，电脑物理地址，操作系统版本，运行时的共同语言（基本不需要）。

this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;            this.MaximizeBox = false;            computer_info_listBox.Items.Add("computer name:" );            computer_info_listBox.Items.Add( Environment.MachineName);            computer_info_listBox.Items.Add("user name:" );            computer_info_listBox.Items.Add( Environment.UserName);            computer_info_listBox.Items.Add("processor count:" );            computer_info_listBox.Items.Add( Environment.ProcessorCount);            computer_info_listBox.Items.Add("computer mac address:");             computer_info_listBox.Items.Add( GetNetworkAdapterID());                 computer_info_listBox.Items.Add("Operation system version:" );            computer_info_listBox.Items.Add(Environment.OSVersion);            computer_info_listBox.Items.Add("common language running:");            computer_info_listBox.Items.Add(Environment.Version);

此段代码被放置在组件初始化程序（ InitializeComponent();）后面。

其中，获取电脑物理地址调用了自定义的函数。函数定义如下

public static string GetNetworkAdapterID()        {                            string mac = "";                ManagementClass mc = new ManagementClass("Win32_NetWorkAdapterConfiguration");                ManagementObjectCollection moc = mc.GetInstances();                foreach (ManagementObject mo in moc)                {                   if((bool)mo["IPEnabled"]==true)                        mac = mo["MacAddress"].ToString();                                        }                return mac;        }

网上有关物理地址获取的方式较多。此处是参考官网上的实例。网上的此种方法函数定义稍复杂，测试发现，有些不一定能使用。

3.打开，关闭代理服务器程序
打开代理服务器

将代理服务器文件放在debug文件下，包括.exe文件。然后在开启IE代理设置的同时，执行此程序。

           System.Diagnostics.Process.Start(@".\proxyfile\local\<span style="line-height: 29.7000007629395px; white-space: pre-wrap; font-family: 'microsoft yahei';">proxy</span>.exe");

此处的proxyfile是包含.exe的文件。proxy是代理服务器名，此处没有填写自己正在使用的代理服务器名。

关闭代理服务器程序

 public void KillProcess(string ProName)        {            Process[] Goagent_proxy = Process.GetProcessesByName(ProName);                      foreach(Process p_kill in Goagent_proxy)            {                p_kill.Kill();            }        }

关闭正在运行的代理服务器是通过调用以上函数完成的，其中函数的参数是代理服务器名，即proxy.exe中的 proxy。

此处主要使用 process 类，具体使用可以参考相关文档。

4.关闭messagebox执行事件。此处是打开一网址。

 DialogResult message_Result=  MessageBox.Show("Step1: Import certificate from goagent, detail operation,see:" + "\n" + "    when you click the OK below,you will see the article " +"\n"+"Step2: click setting proxy button in the interface", "Instruction",MessageBoxButtons.OK);          if (message_Result == DialogResult.OK)          {              Process.Start("http://jingyan.baidu.com/article/8275fc869f1c0c46a03cf6e9.html ");          }        }

5 安装部署

此处使用的visual studio2012版，与2010版不同，需要手动下载InstallShiled.步骤如下；

打开 VS， new -- project -- Installed--template--other Project Types --Setup and Deployment ,选择ok后者中间的 InstallShield Limited Edition Project，将在浏览器中打开下载改程序的网页，在右侧填写相关信息。然后下载。

注意，若国家、城市等无法打开下拉选框进行填写时，表明这是Great Wall 在发挥作用，解决办法是使用代理服务器打开此页面。

后面的步骤就是下载安装 InstallShield。 注意，安装之前要关闭VS，同时，右键安装程序，以管理员身份运行。

完成后，按照之前的步骤重新操作，即可。

程序源码

ProxySeting.cs：

using Microsoft.Win32;using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.Diagnostics;using System.Management;using System.IO;namespace IEProxyManagment{    public partial class ProxySeting : Form    {        DateTime start_time = DateTime.Now;        public ProxySeting()        {            InitializeComponent();            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;            this.MaximizeBox = false;            computer_info_listBox.Items.Add("computer name:" );            computer_info_listBox.Items.Add( Environment.MachineName);            computer_info_listBox.Items.Add("user name:" );            computer_info_listBox.Items.Add( Environment.UserName);            computer_info_listBox.Items.Add("processor count:" );            computer_info_listBox.Items.Add( Environment.ProcessorCount);            computer_info_listBox.Items.Add("computer mac address:");             computer_info_listBox.Items.Add( GetNetworkAdapterID());                 computer_info_listBox.Items.Add("Operation system version:" );            computer_info_listBox.Items.Add(Environment.OSVersion);            computer_info_listBox.Items.Add("common language running:");            computer_info_listBox.Items.Add(Environment.Version);            //DateTime start_time = DateTime.Now;                   }        public static string GetNetworkAdapterID()        {                            string mac = "";                ManagementClass mc = new ManagementClass("Win32_NetWorkAdapterConfiguration");                ManagementObjectCollection moc = mc.GetInstances();                foreach (ManagementObject mo in moc)                {                   if((bool)mo["IPEnabled"]==true)                        mac = mo["MacAddress"].ToString();                                        }                return mac;        }       /* public static List<string> GetMacByIPConfig()        {            List<string> macs = new List<string>();            ProcessStartInfo startInfo = new ProcessStartInfo("ipconfig", "/all");            startInfo.UseShellExecute = false;            startInfo.RedirectStandardInput = true;            startInfo.RedirectStandardOutput = true;            startInfo.RedirectStandardError = true;            startInfo.CreateNoWindow = false;            Process p = Process.Start(startInfo);            StreamReader reader = p.StandardOutput;            string line = reader.ReadLine();            while (!reader.EndOfStream)            {                if (string.IsNullOrEmpty(line))                {                    line = line.Trim();                    if (line.StartsWith("Physical Address"))                    {                        macs.Add(line);                    }                }                line = reader.ReadLine();            }            p.WaitForExit();            p.Close();            reader.Close();            return macs;        }   */                       private void btnSetProxy_Click(object sender, EventArgs e)        {           System.Diagnostics.Process.Start(@".\proxyfile\local\proxy.exe");            string proxyStr = combProxyList.Text.Trim();            IEProxySetting.SetProxy(proxyStr, null);            var currentProxy = GetProxyServer();            if (currentProxy == proxyStr && GetProxyStatus())            {                lblInfo.Text = "Setting Proxy：" + proxyStr + "  successfully！";                lblInfo.ForeColor = Color.Green;            }            else            {                if (!GetProxyStatus())                {                    lblInfo.Text = "Setting Proxy：" + proxyStr + "Proxy does not work！";                }                else                {                    lblInfo.Text = "Setting Proxy：" + proxyStr + "failed，It is using" + currentProxy + "Proxy,please try！";                }                lblInfo.ForeColor = Color.Red;            }            ShowProxyInfo();            btnSetProxy.Enabled = false;            btnDisableProxy.Enabled = true;        }        private void ProxySetingWin_Load(object sender, EventArgs e)        {            ShowProxyInfo();            InitProxyData();        }        /// <summary>        /// 获取正在使用的代理        /// </summary>        /// <returns></returns>        private string GetProxyServer()        {            //打开注册表             RegistryKey regKey = Registry.CurrentUser;            string SubKeyPath = "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings";            RegistryKey optionKey = regKey.OpenSubKey(SubKeyPath, true);             //更改健值，设置代理，             string actualProxy = optionKey.GetValue("ProxyServer").ToString();            regKey.Close();            return actualProxy;        }        private bool GetProxyStatus()        {            //打开注册表             RegistryKey regKey = Registry.CurrentUser;            string SubKeyPath = "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings";            RegistryKey optionKey = regKey.OpenSubKey(SubKeyPath, true);             //更改健值，设置代理，             int actualProxyStatus = Convert.ToInt32(optionKey.GetValue("ProxyEnable"));            regKey.Close();            return actualProxyStatus == 1 ? true : false;        }        private void ShowProxyInfo()        {            if (!GetProxyStatus())            {                lblInitInfo.Text = "Proxy Disabled：";            }            else            {                lblInitInfo.Text = "Current using Proxy is：" + GetProxyServer();            }        }        private void InitProxyData()        {            List<string> proxyList = new List<string>{               "127.0.0.1:8087","127.0.0.1:8088"           };            combProxyList.DataSource = proxyList;            combProxyList.SelectedIndex = 0;        }        public void KillProcess(string ProName)        {            Process[] Goagent_proxy = Process.GetProcessesByName(ProName);                      foreach(Process p_kill in Goagent_proxy)            {                p_kill.Kill();            }        }        private void btnDisableProxy_Click(object sender, EventArgs e)        {                        KillProcess("proxy");            IEProxySetting.UnsetProxy();            if (!GetProxyStatus())            {                lblInfo.Text = "Diable Proxy successfully！";                lblInfo.ForeColor = Color.Green;                btnSetProxy.Enabled = true;                btnDisableProxy.Enabled = false;            }            else            {                lblInfo.Text = "fail to cancle，using Proxy " + GetProxyServer();                lblInfo.ForeColor = Color.Red;                btnSetProxy.Enabled = false;                btnDisableProxy.Enabled = true;            }            ShowProxyInfo();          //  btnSetProxy.FlatAppearance.BorderSize = 0;//去边线            btnSetProxy.Enabled = true;            btnDisableProxy.Enabled = false;        }        private void btnSetProxy_MouseEnter(object sender, EventArgs e)        {            this.Cursor = Cursors.Hand;            btnSetProxy.BackColor = Color.Red;        }        private void btnSetProxy_MouseLeave(object sender, EventArgs e)        {            this.Cursor = Cursors.Default;            btnSetProxy.BackColor = System.Drawing.SystemColors.ControlLight;        }        private void btnDisableProxy_MouseEnter(object sender, EventArgs e)        {            this.Cursor = Cursors.Hand;            btnDisableProxy.BackColor = Color.Red;        }        private void btnDisableProxy_MouseLeave(object sender, EventArgs e)        {            this.Cursor = Cursors.Default;            btnDisableProxy.BackColor = System.Drawing.SystemColors.ControlLight;        }              private void problemsToolStripMenuItem_Click(object sender, EventArgs e)        {            MessageBox.Show("Counter any problem,please setting proxy manually"+"\n"+"Or, Contact the maker.");        }        private void editorToolStripMenuItem_Click(object sender, EventArgs e)        {            MessageBox.Show("Edited by YangHong,and based on other's work" + "\n" + "Contact him with email or QQ:1368783069");        }        private void exitToolStripMenuItem_Click(object sender, EventArgs e)        {            Application.Exit();        }        private void show_timer_Tick(object sender, EventArgs e)        {            DateTime time_now = DateTime.Now;            date_label.Text = time_now.ToShortDateString();            time_label.Text = time_now.ToShortTimeString();            TimeSpan time_begin = new TimeSpan(start_time.Ticks);            TimeSpan time_end= new TimeSpan(time_now.Ticks);            TimeSpan time_span = time_end.Subtract(time_begin).Duration();            usedTime_label.Text ="Used "+ time_span.Hours.ToString() + " hours" + " "+time_span.Minutes.ToString() + " mins";        }        private void instructionToolStripMenuItem_Click(object sender, EventArgs e)        {           // MessageBox.Show("Step1: Import certificate from goagent, detail operation,see:" + "\n" + "http://jingyan.baidu.com/article/8275fc869f1c0c46a03cf6e9.html " +"\n"+"Step2: click setting proxy button in the interface", "Instruction");          DialogResult message_Result=  MessageBox.Show("Step1: Import certificate from goagent, detail operation,see:" + "\n" + "    when you click the OK below,you will see the article " +"\n"+"Step2: click setting proxy button in the interface", "Instruction",MessageBoxButtons.OK);          if (message_Result == DialogResult.OK)          {              Process.Start("http://jingyan.baidu.com/article/8275fc869f1c0c46a03cf6e9.html ");          }        }    }}

ProxySetting_Function

using System;using System.Collections.Generic;using System.ComponentModel;using System.Linq;using System.Runtime.InteropServices;using System.Text;using System.Threading.Tasks;namespace IEProxyManagment{       public class ProxySetting_Function    {        public static bool UnsetProxy()        {            return SetProxy(null, null);        }        public static bool SetProxy(string strProxy)        {            return SetProxy(strProxy, null);        }        public static bool SetProxy(string strProxy, string exceptions)        {            InternetPerConnOptionList list = new InternetPerConnOptionList();            int optionCount = string.IsNullOrEmpty(strProxy) ? 1 : (string.IsNullOrEmpty(exceptions) ? 2 : 3);            InternetConnectionOption[] options = new InternetConnectionOption[optionCount];            // USE a proxy server ...            options[0].m_Option = PerConnOption.INTERNET_PER_CONN_FLAGS;            options[0].m_Value.m_Int = (int)((optionCount < 2) ? PerConnFlags.PROXY_TYPE_DIRECT : (PerConnFlags.PROXY_TYPE_DIRECT | PerConnFlags.PROXY_TYPE_PROXY));            // use THIS proxy server            if (optionCount > 1)            {                options[1].m_Option = PerConnOption.INTERNET_PER_CONN_PROXY_SERVER;                options[1].m_Value.m_StringPtr = Marshal.StringToHGlobalAuto(strProxy);                // except for these addresses ...                if (optionCount > 2)                {                    options[2].m_Option = PerConnOption.INTERNET_PER_CONN_PROXY_BYPASS;                    options[2].m_Value.m_StringPtr = Marshal.StringToHGlobalAuto(exceptions);                }            }            // default stuff            list.dwSize = Marshal.SizeOf(list);            list.szConnection = IntPtr.Zero;            list.dwOptionCount = options.Length;            list.dwOptionError = 0;            int optSize = Marshal.SizeOf(typeof(InternetConnectionOption));            // make a pointer out of all that ...            IntPtr optionsPtr = Marshal.AllocCoTaskMem(optSize * options.Length);            // copy the array over into that spot in memory ...            for (int i = 0; i < options.Length; ++i)            {                IntPtr opt = new IntPtr(optionsPtr.ToInt32() + (i * optSize));                Marshal.StructureToPtr(options[i], opt, false);            }            list.options = optionsPtr;            // and then make a pointer out of the whole list            IntPtr ipcoListPtr = Marshal.AllocCoTaskMem((Int32)list.dwSize);            Marshal.StructureToPtr(list, ipcoListPtr, false);            // and finally, call the API method!            int returnvalue = NativeMethods.InternetSetOption(IntPtr.Zero,               InternetOption.INTERNET_OPTION_PER_CONNECTION_OPTION,               ipcoListPtr, list.dwSize) ? -1 : 0;            if (returnvalue == 0)            {  // get the error codes, they might be helpful                returnvalue = Marshal.GetLastWin32Error();            }            // FREE the data ASAP            Marshal.FreeCoTaskMem(optionsPtr);            Marshal.FreeCoTaskMem(ipcoListPtr);            if (returnvalue > 0)            {  // throw the error codes, they might be helpful                throw new Win32Exception(Marshal.GetLastWin32Error());            }            return (returnvalue < 0);        }    }    #region WinInet structures    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]    public struct InternetPerConnOptionList    {        public int dwSize;               // size of the INTERNET_PER_CONN_OPTION_LIST struct        public IntPtr szConnection;         // connection name to set/query options        public int dwOptionCount;        // number of options to set/query        public int dwOptionError;           // on error, which option failed        //[MarshalAs(UnmanagedType.)]        public IntPtr options;    };    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]    public struct InternetConnectionOption    {        static readonly int Size;        public PerConnOption m_Option;        public InternetConnectionOptionValue m_Value;        static InternetConnectionOption()        {            InternetConnectionOption.Size = Marshal.SizeOf(typeof(InternetConnectionOption));        }        // Nested Types        [StructLayout(LayoutKind.Explicit)]        public struct InternetConnectionOptionValue        {            // Fields            [FieldOffset(0)]            public System.Runtime.InteropServices.ComTypes.FILETIME m_FileTime;            [FieldOffset(0)]            public int m_Int;            [FieldOffset(0)]            public IntPtr m_StringPtr;        }    }    #endregion    #region WinInet enums    //    // options manifests for Internet{Query|Set}Option    //    public enum InternetOption : uint    {        INTERNET_OPTION_PER_CONNECTION_OPTION = 75    }    //    // Options used in INTERNET_PER_CONN_OPTON struct    //    public enum PerConnOption    {        INTERNET_PER_CONN_FLAGS = 1, // Sets or retrieves the connection type. The Value member will contain one or more of the values from PerConnFlags         INTERNET_PER_CONN_PROXY_SERVER = 2, // Sets or retrieves a string containing the proxy servers.          INTERNET_PER_CONN_PROXY_BYPASS = 3, // Sets or retrieves a string containing the URLs that do not use the proxy server.          INTERNET_PER_CONN_AUTOCONFIG_URL = 4//, // Sets or retrieves a string containing the URL to the automatic configuration script.      }    //    // PER_CONN_FLAGS    //    [Flags]    public enum PerConnFlags    {        PROXY_TYPE_DIRECT = 0x00000001,  // direct to net        PROXY_TYPE_PROXY = 0x00000002,  // via named proxy        PROXY_TYPE_AUTO_PROXY_URL = 0x00000004,  // autoproxy URL        PROXY_TYPE_AUTO_DETECT = 0x00000008   // use autoproxy detection    }    #endregion    internal static class NativeMethods    {        [DllImport("WinInet.dll", SetLastError = true, CharSet = CharSet.Auto)]        [return: MarshalAs(UnmanagedType.Bool)]        public static extern bool InternetSetOption(IntPtr hInternet, InternetOption dwOption, IntPtr lpBuffer, int dwBufferLength);    }}

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