public MainPageViewModel(INavigationService navigationService, IPhotoManagerApi photoManagerApi) : base(navigationService)
{
_navigationService = navigationService;
_photoManagerApi = photoManagerApi;
}
public StoredPhotosViewModel(INavigationService navigationService, Photo photo, IPhotoManagerApi photoManagerApi) : base(navigationService)
{
_navigationService = navigationService;
_photo = photo;
_photoManagerApi = photoManagerApi;
}