c# 设置IE浏览器版本运行程序-设置webBrowser对应的IE内核版本来运行

//通常情况下，我们直接调用C#的webBrowser控件，默认的浏览器内核是IE7。  那么如何修改控件调用的默认浏览器版本呢？
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Win32;

namespace TaoMoban
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {

        public MainWindow()
        {
            InitializeComponent();

            try
            {
                int IEversion = GetBrowserVersion();
                if (IEversion >= 11)
                {
                    SetWebBrowserFeatures(11);
                }
               else {
                   MessageBox.Show("你的浏览器版本(" + IEversion  + ")太低，本程序需要系统安装IE11以上版本浏览器");
                }

            }
            catch(Exception ex) {

                MessageBox.Show("" +ex.Message );
            }

        }

        /// <summary>
        /// 修改注册表信息来兼容当前程序
        /// </summary>
        static void SetWebBrowserFeatures(int ieVersion)
        {

            //获取程序及名称
            var appName = System.IO.Path.GetFileName(System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName);
            //得到浏览器的模式的值
            UInt32 ieMode = GeoEmulationModee(ieVersion);
            var featureControlRegKey = @"HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\";
            //设置浏览器对应用程序（appName）以什么模式（ieMode）运行
            Registry.SetValue(featureControlRegKey + "FEATURE_BROWSER_EMULATION",
                appName, ieMode, RegistryValueKind.DWord);
            //不晓得设置有什么用
            Registry.SetValue(featureControlRegKey + "FEATURE_ENABLE_CLIPCHILDREN_OPTIMIZATION",
                appName, 1, RegistryValueKind.DWord);
        }
        /// <summary>
        /// 获取浏览器的版本
        /// </summary>
        /// <returns></returns>
        static int GetBrowserVersion()
        {
            int browserVersion = 0;
            using (var ieKey = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Internet Explorer",
                RegistryKeyPermissionCheck.ReadSubTree,
                System.Security.AccessControl.RegistryRights.QueryValues))
            {
                var version = ieKey.GetValue("svcVersion");
                if (null == version)
                {
                    version = ieKey.GetValue("Version");
                    if (null == version)
                        throw new ApplicationException("Microsoft Internet Explorer is required!");
                }
                int.TryParse(version.ToString().Split('.')[0], out browserVersion);
            }
            //如果小于7
            if (browserVersion < 7)
            {
                throw new ApplicationException("不支持的浏览器版本!IE" + browserVersion);
            }
            return browserVersion;
        }
        /// <summary>
        /// 通过版本得到浏览器模式的值
        /// </summary>
        /// <param name="browserVersion"></param>
        /// <returns></returns>
        static UInt32 GeoEmulationModee(int browserVersion)
        {
            UInt32 mode = 11000; // Internet Explorer 11
            switch (browserVersion)
            {
                case 7:
                    mode = 7000; // Internet Explorer 7
                    break;
                case 8:
                    mode = 8000; // Internet Explorer 8
                    break;
                case 9:
                    mode = 9000; // Internet Explorer 9
                    break;
                case 10:
                    mode = 10000; // Internet Explorer 10.
                    break;
                case 11:
                    mode = 11000; // Internet Explorer 11
                    break;
            }
            return mode;
        }

    }

}