System.Object
   C1.DataFilter.CalendarSettings
   C1.DataFilter.ChecklistItem
   C1.DataFilter.Expression
      C1.DataFilter.CombinationExpression
      C1.DataFilter.OperationExpression
      C1.DataFilter.PredicateExpression
   C1.DataFilter.Filter
      C1.DataFilter.BoolFilterBase
         C1.WPF.DataFilter.BoolFilter
      C1.DataFilter.CalendarFilterBase
      C1.DataFilter.DateRangeFilterBase
         C1.WPF.DataFilter.DateRangeFilter
      C1.DataFilter.FilterWithSummary
         C1.DataFilter.ChecklistFilterBase
            C1.WPF.DataFilter.ChecklistFilter
      C1.DataFilter.RangeFilterBase
         C1.WPF.DataFilter.RangeFilter
      C1.WPF.DataFilter.CustomFilter
   C1.DataFilter.FilterSummary
   System.Collections.ObjectModel.Collection<T>
      System.Collections.ObjectModel.ObservableCollection<T>
         C1.DataFilter.ObservableCollectionBase<T>
            C1.DataFilter.ChecklistItemsCollection
            C1.DataFilter.FilterCollection
   System.EventArgs
      C1.DataFilter.FilterChangedEventArgs
      C1.DataFilter.ValueChangedEventArgs
      System.ComponentModel.CancelEventArgs
         C1.DataFilter.BeforeTooltipShowEventArgs
         C1.DataFilter.FilterAutoGeneratingEventArgs
      System.ComponentModel.PropertyChangedEventArgs
         C1.DataFilter.ItemPropertyChangedEventArgs

Reference

C1.WPF.DataFilter.4.5.2 Assembly