public virtual object GetItem(UICollectionView collectionView, NSIndexPath indexPath)
{
var section = GroupedSource?.ElementAtOrDefault(indexPath.Section);
if (section != null)
{
return(section.Cast <object>().ElementAtOrDefault(indexPath.Row));
}
else
{
return(Items.ElementAtOrDefault(indexPath.Row));
}
}
public override nint GetItemsCount(UICollectionView collectionView, nint section)
{
return(GroupedSource?.ElementAtOrDefault((int)section)?.Count() ?? Items.Count());
}