![](dotnetdiagramimages/C1_WPF_Schedule_4_5_2_C1_C1Schedule_CategoryCollection.png)
'Declaration
Public Class CategoryCollection Inherits C1.C1Schedule.BaseCollection(Of Category)
public class CategoryCollection : C1.C1Schedule.BaseCollection<Category>
System.Object
System.Collections.ObjectModel.Collection<T>
System.Collections.ObjectModel.KeyedCollection<TKey,TItem>
C1.C1Schedule.C1ObservableKeyedCollection<TKey,TItem>
C1.C1Schedule.BaseCollection<T>
C1.C1Schedule.CategoryCollection