System.Object
   C1.WPF.Extended.PropertyGrid.PropertyWrapper
      C1.WPF.Extended.PropertyGrid.PropertyWrapper<T>
   C1.WPF.Extended.PropertyGrid.ThicknessConverter
   System.EventArgs
      C1.WPF.Extended.PropertyGrid.CommitChangesEventsArgs
         C1.WPF.Extended.PropertyGrid.PropertyCommitChangesEventsArgs
   System.Windows.Threading.DispatcherObject
      System.Windows.DependencyObject
         System.Windows.Media.Visual
            System.Windows.UIElement
               System.Windows.FrameworkElement
                  System.Windows.Controls.Control
                     C1.WPF.C1NumericBox
                        C1.WPF.Extended.PropertyGrid.NumericEditor
                     C1.WPF.Extended.C1ColorPicker
                        C1.WPF.Extended.PropertyGrid.BrushEditor
                        C1.WPF.Extended.PropertyGrid.ColorEditor
                     C1.WPF.Extended.PropertyGrid.AdvancedEditor
                        C1.WPF.Extended.PropertyGrid.CollectionEditor
                     C1.WPF.Extended.PropertyGrid.CollectionEditorControl
                     System.Windows.Controls.ContentControl
                        System.Windows.Controls.Primitives.ButtonBase
                           System.Windows.Controls.Primitives.ToggleButton
                              System.Windows.Controls.CheckBox
                                 C1.WPF.Extended.PropertyGrid.BoolEditor
                     System.Windows.Controls.ItemsControl
                        System.Windows.Controls.Primitives.Selector
                           System.Windows.Controls.ComboBox
                              C1.WPF.Extended.PropertyGrid.ColorPaletteEditor
                              C1.WPF.Extended.PropertyGrid.EnumEditor

Reference

C1.WPF.Extended.4.6.2 Assembly