TreeViewModel<TItemModel, TItemViewModel>.ContainsItem - метод

protected override bool ContainsItem(
	TItemViewModel item
)

Protected Overrides Function ContainsItem ( 
	item As TItemViewModel
) As Boolean

protected:
virtual bool ContainsItem(
	TItemViewModel item
) override

abstract ContainsItem : 
        item : 'TItemViewModel -> bool 
override ContainsItem : 
        item : 'TItemViewModel -> bool