public void NavigateError(object pDisp, ref object url, ref object frame, ref object statusCode,
ref bool cancel)
{
string uriString = (url == null) ? "" : ((string)url);
string frameString = (frame == null) ? "" : ((string)frame);
int statusCodeInt = (statusCode == null) ? 0 : ((int)statusCode);
#pragma warning disable 618 // WebBrowserNavigateErrorEventArgs is marked obsolete
WebBrowserNavigateErrorEventArgs e = new WebBrowserNavigateErrorEventArgs(uriString, frameString,
statusCodeInt, pDisp);
#pragma warning restore 618
parent.OnNavigateError(e);
cancel = e.Cancel;
}