| Class | Description | |
|---|---|---|
 | KeyedObservableCollection<TItem,TKey> | Observable collection that supports indexing by key. |
| ReadOnlyKeyedObservableCollection<TItem,TKey> | Represents a read-only KeyedObservableCollection<TItem,TKey> |
| Interface | Description | |
|---|---|---|
 | IKeyedList<TItem,TKey> | Represents a collection of objects that can be accessed using a key or index. |