System.Object
   C1.WPF.Docking.C1DockSettings
   C1.WPF.Docking.DisableConverter
   C1.WPF.Docking.DisableHideConverter
   System.EventArgs
      C1.WPF.Docking.ItemDockModeChangedEventArgs
      C1.WPF.Docking.PickerLoadingEventArgs
      C1.WPF.Docking.SlidingEventArgs
   System.ValueType
      C1.WPF.Docking.DockSettingsItem
   System.Windows.Threading.DispatcherObject
      System.Windows.DependencyObject
         System.Windows.Media.Visual
            System.Windows.UIElement
               System.Windows.FrameworkElement
                  System.Windows.Controls.Control
                     C1.WPF.Docking.C1DockPicker
                        C1.WPF.Docking.C1DockInnerPicker
                        C1.WPF.Docking.C1DockOuterPicker
                     C1.WPF.Docking.C1DockPickerPart
                     C1.WPF.Docking.C1DockPreview
                     C1.WPF.Docking.C1DockSplitter
                     System.Windows.Controls.ContentControl
                        C1.WPF.C1HeaderedContentControl
                           C1.WPF.C1Window
                              C1.WPF.Docking.C1DockWindow
                        C1.WPF.C1TabItem
                           C1.WPF.Docking.C1DockTabItem
                        System.Windows.Window
                           C1.WPF.Docking.WPFWindow
                     System.Windows.Controls.ItemsControl
                        C1.WPF.C1TabControl
                           C1.WPF.Docking.C1DockTabControl
                        C1.WPF.Docking.C1DockControl
                        C1.WPF.Docking.C1DockGroup
                  System.Windows.Controls.Panel
                     C1.WPF.Docking.C1DockControlPanel
                     C1.WPF.Docking.C1DockSlidingPanel
                  System.Windows.Documents.Adorner
                     C1.WPF.Docking.PreviewAdorner

Reference

C1.WPF.Docking.4 Assembly