![](dotnetdiagramimages/C1_Win_C1GanttView_4_5_2_C1_Win_C1GanttView_CustomCalendarCollection.png)
'Declaration Public Class CustomCalendarCollection Inherits C1.C1Schedule.BaseCollection(Of CustomCalendar)
public class CustomCalendarCollection : C1.C1Schedule.BaseCollection<CustomCalendar>
System.Object
System.Collections.ObjectModel.Collection<T>
System.Collections.ObjectModel.KeyedCollection<TKey,TItem>
C1.C1Schedule.C1ObservableKeyedCollection<TKey,TItem>
C1.C1Schedule.BaseCollection<T>
C1.Win.C1GanttView.CustomCalendarCollection