/// <inheritdoc/> protected override bool OnBeforeBrowse(CefBrowser browser, CefFrame frame, CefRequest request, bool userGesture, bool isRedirect) { if (_config is not null) { var isUrlExternal = _config.UrlSchemes?.IsUrlRegisteredExternalBrowserScheme(request.Url); if (isUrlExternal.HasValue && isUrlExternal.Value) { BrowserLauncher.Open(_config.Platform, request.Url); return(true); } } // Sample: http://chromely.com/democontroller/showdevtools // Expected to execute controller route action without return value var route = _routeProvider.GetRoute(request.Url); if (route is not null && !route.HasReturnValue) { _requestHandler.Execute(request.Url); return(true); } return(false); }