ObservableCollectionLookupTKey, TItem, TCollectionGetAll - метод

public ReadOnlyCollection<TItem> GetAll(
	TKey key
)

Public Function GetAll ( 
	key As TKey
) As ReadOnlyCollection(Of TItem)

public:
virtual ReadOnlyCollection<TItem>^ GetAll(
	TKey key
) sealed

abstract GetAll : 
        key : 'TKey -> ReadOnlyCollection<'TItem> 
override GetAll : 
        key : 'TKey -> ReadOnlyCollection<'TItem>