public void BeforeNavigate2(object pDisp, ref object URL, ref object Flags, ref object TargetFrameName, ref object PostData, ref object Headers, ref bool Cancel) { Uri urlUri = new Uri(URL.ToString()); string tFrame = null; if (TargetFrameName != null) { tFrame = TargetFrameName.ToString(); } BrowserExtendedNavigatingEventArgs args = new BrowserExtendedNavigatingEventArgs(pDisp, urlUri, null, tFrame, UrlContext.None); _Browser.OnStartNavigate(args); Cancel = args.Cancel; pDisp = args.AutomationObject; }