void UpdateTemplatedSupplementaryView(TemplatedCell cell, NSString elementKind, NSIndexPath indexPath)
{
ApplyTemplateAndDataContext(cell, elementKind, indexPath);
if (cell is ItemsViewCell constrainedCell)
{
cell.ConstrainTo(ItemsViewLayout.ConstrainedDimension);
}
}
void UpdateTemplatedSupplementaryView(TemplatedCell cell, NSString elementKind, NSIndexPath indexPath)
{
DataTemplate template = elementKind == UICollectionElementKindSectionKey.Header
? ItemsView.GroupHeaderTemplate
: ItemsView.GroupFooterTemplate;
var bindingContext = ItemsSource.Group(indexPath);
cell.Bind(template, bindingContext, ItemsView);
if (cell is ItemsViewCell)
{
cell.ConstrainTo(ItemsViewLayout.ConstrainedDimension);
}
}