修改注册表信息来兼容当前WebBrower程序

public class WebBrower
{
/// <summary>
/// 修改注册表信息来兼容当前程序
///
/// </summary>
public static void SetWebBrowserFeatures(int ieVersion)
{
// don't change the registry if running in-proc inside Visual Studio
if (LicenseManager.UsageMode != LicenseUsageMode.Runtime)
return;
//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_USERSoftwareMicrosoftInternet ExplorerMainFeatureControl";
//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);
// enable the features which are "On" for the full Internet Explorer browser
//不晓得设置有什么用
Registry.SetValue(featureControlRegKey + "FEATURE_ENABLE_CLIPCHILDREN_OPTIMIZATION",
appName, 1, RegistryValueKind.DWord);

//Registry.SetValue(featureControlRegKey + "FEATURE_AJAX_CONNECTIONEVENTS",
// appName, 1, RegistryValueKind.DWord);

//Registry.SetValue(featureControlRegKey + "FEATURE_GPU_RENDERING",
// appName, 1, RegistryValueKind.DWord);

//Registry.SetValue(featureControlRegKey + "FEATURE_WEBOC_DOCUMENT_ZOOM",
// appName, 1, RegistryValueKind.DWord);

//Registry.SetValue(featureControlRegKey + "FEATURE_NINPUT_LEGACYMODE",
// appName, 0, 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(@"SOFTWAREMicrosoftInternet 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!");
}
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. Webpages containing standards-based !DOCTYPE directives are displayed in IE11 Standards mode.
switch (browserVersion)
{
case 7:
mode = 7000; // Webpages containing standards-based !DOCTYPE directives are displayed in IE7 Standards mode.
break;
case 8:
mode = 8000; // Webpages containing standards-based !DOCTYPE directives are displayed in IE8 mode.
break;
case 9:
mode = 9000; // Internet Explorer 9. Webpages containing standards-based !DOCTYPE directives are displayed in IE9 mode.
break;
case 10:
mode = 10000; // Internet Explorer 10.
break;
case 11:
mode = 11000; // Internet Explorer 11
break;
}
return mode;
}

}