private void HandleFavoriteCheckedChange(object sender, FavoriteCheckedChangeEventArgs e)
{
ProductViewModel vm = adapter.GetItem(e.Position).Product;
vm.IsFavorite = e.IsChecked;
if (e.IsChecked)
{
productService.AddToFavorites(vm);
}
else
{
productService.RemoveFromFavorites(vm);
}
}
private void OnFavoriteCheckedChange(FavoriteCheckedChangeEventArgs args) => FavoriteCheckedChange?.Invoke(this, args);