public AdvancedInfoSearchViewModel(INovaromaEngine engine, IExceptionHandler exceptionHandler, IDialogService dialogService, string searchQuery, string directory, bool isParentDirectory) : base(dialogService) { _engine = engine; _exceptionHandler = exceptionHandler; _query = searchQuery; _directory = directory; _isParentDirectory = isParentDirectory; _searchCommand = new RelayCommand(DoSearch, CanSearch); _clearFiltersCommand = new RelayCommand(ClearFilters); _observableResults = new NovaromaObservableCollection <IInfoSearchMediaViewModel <IAdvancedInfoSearchResult> >(); _resultSelections = new MultiCheckSelection <IInfoSearchMediaViewModel <IAdvancedInfoSearchResult> >(_observableResults); var mediaTypeEnumInfo = Constants.MediaTypesEnumInfo; _mediaTypes = new MultiCheckSelection <EnumInfo <MediaTypes> >(mediaTypeEnumInfo.WithoutLast()); _genres = new MultiCheckSelection <string>(_engine.GetAdvancedInfoProviderGenres()); }