c# webbrowser 错误捕获

private void Form1_Load(object sender, EventArgs e)
        {
            webBrowser1.Url = new Uri("about:blank");
            SHDocVw.WebBrowser axBrowser = (SHDocVw.WebBrowser)this.webBrowser1.ActiveXInstance;
            axBrowser.NavigateError += new SHDocVw.DWebBrowserEvents2_NavigateErrorEventHandler(axBrowser_NavigateError);

            webBrowser1.Navigate(@"http://www.baidux.com/reading/show.aspx?id=10000");
        }

        void axBrowser_NavigateError(object pDisp, ref object URL, ref object Frame, ref object StatusCode, ref bool Cancel)
        {

        }