c# 設置IE瀏覽器版本運行程序-設置webBrowser對應的IE內核版本來運行

//通常情況下，我們直接調用C#的webBrowser控件，默認的瀏覽器內核是IE7。  那么如何修改控件調用的默認瀏覽器版本呢？
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("你的瀏覽器版本(" + IEversion  + ")太低，本程序需要系統安裝IE11以上版本瀏覽器");
                }

            }
            catch(Exception ex) {

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

      
        }



        /// <summary>  
        /// 修改注冊表信息來兼容當前程序  
        /// </summary>  
        static void SetWebBrowserFeatures(int ieVersion)
        {
          
            //獲取程序及名稱  
            var appName = System.IO.Path.GetFileName(System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName);
            //得到瀏覽器的模式的值  
            UInt32 ieMode = GeoEmulationModee(ieVersion);
            var featureControlRegKey = @"HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\";
            //設置瀏覽器對應用程序（appName）以什么模式（ieMode）運行  
            Registry.SetValue(featureControlRegKey + "FEATURE_BROWSER_EMULATION",
                appName, ieMode, RegistryValueKind.DWord);
            //不曉得設置有什么用  
            Registry.SetValue(featureControlRegKey + "FEATURE_ENABLE_CLIPCHILDREN_OPTIMIZATION",
                appName, 1, RegistryValueKind.DWord);
        }
        /// <summary>  
        /// 獲取瀏覽器的版本  
        /// </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);
            }
            //如果小於7  
            if (browserVersion < 7)
            {
                throw new ApplicationException("不支持的瀏覽器版本!IE" + browserVersion);
            }
            return browserVersion;
        }
        /// <summary>  
        /// 通過版本得到瀏覽器模式的值  
        /// </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;
        }










    }


}