![](dotnetdiagramimages/C1_Silverlight_Schedule_5_C1_C1Schedule_C1ObservableKeyedCollection`2.png)
'Declaration
Public MustInherit Class C1ObservableKeyedCollection (Of TKey,TItem) Inherits System.Collections.ObjectModel.KeyedCollection(Of TKey,TItem)
public abstract class C1ObservableKeyedCollection<TKey,TItem> : System.Collections.ObjectModel.KeyedCollection<TKey,TItem>
System.Object
System.Collections.ObjectModel.Collection<T>
System.Collections.ObjectModel.KeyedCollection<TKey,TItem>
C1.C1Schedule.C1ObservableKeyedCollection<TKey,TItem>
C1.C1Schedule.BaseCollection<T>
C1.Silverlight.Schedule.CoveredElementsCollection
C1.Silverlight.Schedule.CoverElementCollection
C1.WPF.Schedule.CoveredElementsCollection
C1.WPF.Schedule.CoverElementCollection