private void DeletePoster(LocalPosterModel poster)
 {
     ViewModel.Poster = poster;
     ViewModel.DeletePosterCommand.Execute();
     adapter.NotifyDataSetChanged();
     _galleryCollection.SetAdapter(adapter);
     if (ViewModel.Progress == 0)
     {
         statusText.Text = "Add Photo";
         btnSubmit.SetTextColor(Android.Graphics.Color.LightGray);
     }
 }
        private void DeletePhoto(int position)
        {
            LocalPosterModel item = (LocalPosterModel)GetItem(position);

            OnDeletePosterHandler(item);
        }
        private void AddDescription(int position)
        {
            LocalPosterModel item = (LocalPosterModel)GetItem(position);

            OnAddDescriptionToPosterHandler(item);
        }
 private void AddDesriptionToPoster(LocalPosterModel poster)
 {
     ViewModel.Poster = poster;
     ViewModel.OpenDescriptionCommand.Execute(poster.Title);
 }