private async void SearchPackageInActivePackageSource(string searchText) { var filterItem = _filter.SelectedItem as FilterItem; Filter filter = filterItem != null ? filterItem.Filter : Filter.All; PackageLoaderOption option = new PackageLoaderOption(filter, IncludePrerelease); var loader = new PackageLoader( option, Model.Context.PackageManager, Model.Context.Projects, _activeSource, searchText); await loader.Initialize(); _packageList.Load(loader); }