设置WebBrowser的默认浏览器版本

/// <summary>
/// 定义IE版本的枚举
/// </summary>
private enum IeVersion
{
强制ie10,//10001 (0x2711) Internet Explorer 10。网页以IE 10的标准模式展现，页面!DOCTYPE无效
标准ie10,//10000 (0x02710) Internet Explorer 10。在IE 10标准模式中按照网页上!DOCTYPE指令来显示网页。Internet Explorer 10 默认值。
强制ie9,//9999 (0x270F) Windows Internet Explorer 9. 强制IE9显示，忽略!DOCTYPE指令
标准ie9,//9000 (0x2328) Internet Explorer 9. Internet Explorer 9默认值，在IE9标准模式中按照网页上!DOCTYPE指令来显示网页。
强制ie8,//8888 (0x22B8) Internet Explorer 8，强制IE8标准模式显示，忽略!DOCTYPE指令
标准ie8,//8000 (0x1F40) Internet Explorer 8默认设置，在IE8标准模式中按照网页上!DOCTYPE指令展示网页
标准ie7//7000 (0x1B58) 使用WebBrowser Control控件的应用程序所使用的默认值，在IE7标准模式中按照网页上!DOCTYPE指令来展示网页
}

/// <summary>
/// 设置WebBrowser的默认版本
/// </summary>
/// <param name="ver">IE版本</param>
private void SetIE(IeVersion ver)
{
string productName = AppDomain.CurrentDomain.SetupInformation.ApplicationName;//获取程序名称

object version;
switch (ver)
{
case IeVersion.标准ie7:
version = 0x1B58;
break;
case IeVersion.标准ie8:
version = 0x1F40;
break;
case IeVersion.强制ie8:
version = 0x22B8;
break;
case IeVersion.标准ie9:
version = 0x2328;
break;
case IeVersion.强制ie9:
version = 0x270F;
break;
case IeVersion.标准ie10:
version = 0x02710;
break;
case IeVersion.强制ie10:
version = 0x2711;
break;
default :
version = 0x1F40;
break;
}

RegistryKey key = Registry.CurrentUser;
RegistryKey software =
key.CreateSubKey(
@"Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\" + productName);
if (software != null)
{
software.Close();
software.Dispose();
}
RegistryKey wwui =
key.OpenSubKey(
@"Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION", true);
//该项必须已存在
if (wwui != null) wwui.SetValue(productName, version, RegistryValueKind.DWord);
}