System.Object
   System.Windows.Threading.DispatcherObject
      System.Windows.DependencyObject
         C1.WPF.C1Chart3D.Axis3D
         C1.WPF.C1Chart3D.GridDataSeries
         System.Windows.Media.Visual
            System.Windows.UIElement
               System.Windows.FrameworkElement
                  System.Windows.Controls.Control
                     C1.WPF.C1Chart3D.C1Chart3D
                     C1.WPF.C1Chart3D.C1Chart3DLegend
                     C1.WPF.C1Chart3D.Chart3DView

Reference

C1.WPF.C1Chart3D.4 Assembly