在web浏览器中的WPF中禁用上下文菜单

我有一个WPF应用程序，是要在一个小亭运行，带有触摸屏的PC上。该应用程序运行在全屏模式下，隐藏的操作系统。在我的网页我有一个WebBrowser控件，它允许用户查看某些网页（导航仅限于某些页面）。 由于计算机将被放置在一个公共点我不能让用户访问操作系统。关键是，触摸屏允许使用右键点击网页浏览器，并最终导致任务栏出现......不好..！

I have a WPF App that is going to run on a kiosk, on a PC with a touchscreen. The App runs in fullscreen mode, to hide the OS. On one of my pages I have a WebBrowser control that allows a user to view some web pages (navigation is limited to some pages). Since the computer will be placed in a public spot I mustn't let the user access the operating system. The thing is, the touchscreen allows for a right click on the web browser, and that eventually leads to the task bar appearing... not good..!

我一直试图禁用对过去的日子的上下文菜单中没有取得多大成功。基本上，我在哪里，现在是：

I've been trying to disable that context menu for the past days without much success. Basically where i'm at right now is:

• 添加一个COM引用shdocvw.dll中得到IWebBrowser2接口（需要禁用新窗口的启动。

• Added a COM reference to SHDocVw.dll to get the IWebBrowser2 interface (needed to disable the launching of new windows.

[ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[Guid("6d5140c1-7436-11ce-8034-00aa006009fa")]
internal interface IServiceProvider
{
    [return: MarshalAs(UnmanagedType.IUnknown)]
    object QueryService(ref Guid guidService, ref Guid riid);
}
static readonly Guid SID_SWebBrowserApp = new Guid("0002DF05-0000-0000-C000-000000000046");

            IServiceProvider _serviceProvider = null;

            if (_browser.Document != null)
            {
                _serviceProvider = (IServiceProvider)_browser.Document;

                Guid _serviceGuid = SID_SWebBrowserApp;
                Guid _iid = typeof(SHDocVw.IWebBrowser2).GUID;

                SHDocVw.IWebBrowser2 _webBrowser = (SHDocVw.IWebBrowser2)_serviceProvider.QueryService(ref _serviceGuid, ref _iid);

                HTMLDocument doc = _webBrowser.Document as HTMLDocument;
                mshtml.HTMLDocumentEvents2_Event ev = doc as mshtml.HTMLDocumentEvents2_Event;

                ev.oncontextmenu += (arg) => { return false; };

到目前为止，还没有sucess ...任何想法？

So far, no sucess... any ideas?

在此先感谢。