![](dotnetdiagramimages/C1_Web_Wijmo_Controls_45_C1_C1Schedule_ContactCollection.png)
'Declaration Public Class ContactCollection Inherits C1.C1Schedule.BaseCollection(Of Contact) Implements INotifyCollectionChanged
public class ContactCollection : C1.C1Schedule.BaseCollection<Contact>, INotifyCollectionChanged
System.Object
System.Collections.ObjectModel.Collection<T>
System.Collections.ObjectModel.KeyedCollection<TKey,TItem>
C1.C1Schedule.C1ObservableKeyedCollection<TKey,TItem>
C1.C1Schedule.BaseCollection<T>
C1.C1Schedule.ContactCollection