System.Object
   System.Windows.Threading.DispatcherObject
      System.Windows.DependencyObject
         System.Windows.Freezable
            System.Windows.Media.Animation.Animatable
               System.Windows.Media.Effects.Effect
                  System.Windows.Media.Effects.ShaderEffect
                     BlendModeEffects.BlendModeEffect
                        BlendModeEffects.ScreenEffect

GrapeCity.Wpf.SpreadSheet アセンブリ