![](dotnetdiagramimages/C1_Win_DataFilter_6_C1_DataFilter_ObservableCollectionBase`1.png)
System.Object
System.Collections.ObjectModel.Collection<T>
System.Collections.ObjectModel.ObservableCollection<T>
C1.DataFilter.ObservableCollectionBase<T>
C1.DataFilter.ChecklistItemsCollection
C1.DataFilter.FilterCollection