CopyableViewModelCollectionTItemModel, TItemViewModel, TItemDataGetDataFromItem - метод

protected abstract TItemData GetDataFromItem(
	TItemViewModel item
)

Protected MustOverride Function GetDataFromItem ( 
	item As TItemViewModel
) As TItemData

protected:
virtual TItemData GetDataFromItem(
	TItemViewModel item
) abstract

abstract GetDataFromItem : 
        item : 'TItemViewModel -> 'TItemData