SortableViewModelCollectionTItemModel, TItemViewModelCompare - метод

protected abstract int Compare(
	TItemViewModel itemX,
	TItemViewModel itemY
)

Protected MustOverride Function Compare ( 
	itemX As TItemViewModel,
	itemY As TItemViewModel
) As Integer

protected:
virtual int Compare(
	TItemViewModel itemX, 
	TItemViewModel itemY
) abstract

abstract Compare : 
        itemX : 'TItemViewModel * 
        itemY : 'TItemViewModel -> int