![](dotnetdiagramimages/C1_Silverlight_Schedule_5_C1_Silverlight_Schedule_IntervalGroupDescriptionCollection.png)
'Declaration
Public Class IntervalGroupDescriptionCollection Inherits System.Collections.ObjectModel.ObservableCollection(Of VisualIntervalGroupDescription)
public class IntervalGroupDescriptionCollection : System.Collections.ObjectModel.ObservableCollection<VisualIntervalGroupDescription>
System.Object
System.Collections.ObjectModel.Collection<T>
System.Collections.ObjectModel.ObservableCollection<T>
C1.Silverlight.Schedule.IntervalGroupDescriptionCollection