public HomeViewModel(ILandmarkDataService landmarkDataService, INavigationService navigationService, IDialogService dialogService)
{
_landmarkDataService = landmarkDataService;
_navigationService = navigationService;
_dialogService = dialogService;
_mustSeeLandmarks = new ObservableCollection <Landmark>();
}
public LandmarkDetailViewModel(ILandmarkDataService landmarkDataService, INavigationService navigationService)
{
_landmarkDataService = landmarkDataService;
_navigationService = navigationService;
SelectedLandmark = new Landmark();
SaveCommand = new Command(OnSaveCommand);
DeleteCommand = new Command(OnDeleteCommand);
ReadDescriptionCommand = new Command(OnReadDescription);
MapCommand = new Command(OnMapCommand);
}