WPF WebBrowser屏蔽弹出alert ，confirm ，prompt ，showModalDialog() ，window.open()

WPF WebBrowser屏蔽弹出alert ，confirm ，prompt ，showModalDialog() ，window.open()
添加Microsoft.mshtml.dll,然后写如下代码

void browser_Navigated(object sender, NavigationEventArgs e) {
            txtUrl.Text = e.Uri.ToString();//显示当前的url
            WebBrowser wbWebBrowser = (WebBrowser)sender;
            StringBuilder msgb = new StringBuilder();
            msgb.AppendLine("function alert(){return;}");
            msgb.AppendLine("function confirm(){return;}");;
            msgb.AppendLine("function window.open(){return;}");
            msgb.AppendLine("function prompt(){return;}");

            IHTMLWindow2 win = (IHTMLWindow2)(wbWebBrowser.Document as IHTMLDocument2).parentWindow;
            win.execScript(msgb.ToString(), "Javascript");
            win = null;
        }