System.Object
   GrapeCity.Windows.SpreadSheet.Data.DrawingObject
      GrapeCity.Windows.SpreadSheet.UI.CustomDrawingObject
   GrapeCity.Windows.SpreadSheet.Data.FloatingObject
      GrapeCity.Windows.SpreadSheet.UI.CustomFloatingObject
   GrapeCity.Windows.SpreadSheet.UI.AnnoConverter
   GrapeCity.Windows.SpreadSheet.UI.AutoFilterItem
      GrapeCity.Windows.SpreadSheet.UI.BlankFilterItem
   GrapeCity.Windows.SpreadSheet.UI.AutoFilterItemValueConverter
   GrapeCity.Windows.SpreadSheet.UI.DataValidationListItem
   GrapeCity.Windows.SpreadSheet.UI.DataValidationNullValueConverter
   GrapeCity.Windows.SpreadSheet.UI.EditorInfo
   GrapeCity.Windows.SpreadSheet.UI.HeaderHitTestInformation
   GrapeCity.Windows.SpreadSheet.UI.HitTestInformation
   GrapeCity.Windows.SpreadSheet.UI.LegendConverter
   GrapeCity.Windows.SpreadSheet.UI.SpreadActions
   GrapeCity.Windows.SpreadSheet.UI.TouchToolbar
   GrapeCity.Windows.SpreadSheet.UI.TouchToolbarFactory
   GrapeCity.Windows.SpreadSheet.UI.UndoManager
   GrapeCity.Windows.SpreadSheet.UI.ViewportFloatingObjectHitTestInformation
   GrapeCity.Windows.SpreadSheet.UI.ViewportFormulaSelectionHitTestInformation
   GrapeCity.Windows.SpreadSheet.UI.ViewportHitTestInformation
   GrapeCity.Windows.SpreadSheet.UI.VisualStates
   System.EventArgs
      GrapeCity.Windows.SpreadSheet.UI.ActionEventArgs
      GrapeCity.Windows.SpreadSheet.UI.CellClickEventArgs
      GrapeCity.Windows.SpreadSheet.UI.CellDoubleClickEventArgs
      GrapeCity.Windows.SpreadSheet.UI.CellEventArgs
         GrapeCity.Windows.SpreadSheet.UI.CellTextRenderingEventArgs
         GrapeCity.Windows.SpreadSheet.UI.CellValueApplyingEventArgs
      GrapeCity.Windows.SpreadSheet.UI.ClipboardPastedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.ColumnViewportWidthChangedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.ColumnWidthChangedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.DragDropBlockCompletedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.DragFillBlockCompletedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.EditCellEventArgs
      GrapeCity.Windows.SpreadSheet.UI.EnterCellEventArgs
      GrapeCity.Windows.SpreadSheet.UI.FloatingObjectPastedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.InvalidOperationEventArgs
      GrapeCity.Windows.SpreadSheet.UI.RangeFilteredEventArgs
      GrapeCity.Windows.SpreadSheet.UI.RangeGroupStateChangedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.RangeSortedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.RowHeightChangedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.RowViewportHeightChangedEventArgs
      GrapeCity.Windows.SpreadSheet.UI.SelectionChangingEventArgs
      GrapeCity.Windows.SpreadSheet.UI.SheetTabClickEventArgs
      GrapeCity.Windows.SpreadSheet.UI.SheetTabDoubleClickEventArgs
      GrapeCity.Windows.SpreadSheet.UI.TouchToolbarOpeningEventArgs
      GrapeCity.Windows.SpreadSheet.UI.UndoRedoEventArgs
      GrapeCity.Windows.SpreadSheet.UI.UserFormulaEnteredEventArgs
      GrapeCity.Windows.SpreadSheet.UI.ValidationDragDropBlockEventArgs
      GrapeCity.Windows.SpreadSheet.UI.ValidationErrorEventArgs
      GrapeCity.Windows.SpreadSheet.UI.ValidationPastingEventArgs
      GrapeCity.Windows.SpreadSheet.UI.ViewportEventArgs
      GrapeCity.Windows.SpreadSheet.UI.ZoomEventArgs
      System.ComponentModel.CancelEventArgs
         GrapeCity.Windows.SpreadSheet.UI.CellCancelEventArgs
         GrapeCity.Windows.SpreadSheet.UI.ClipboardPastingEventArgs
         GrapeCity.Windows.SpreadSheet.UI.ColumnViewportWidthChangingEventArgs
         GrapeCity.Windows.SpreadSheet.UI.ColumnWidthChangingEventArgs
         GrapeCity.Windows.SpreadSheet.UI.DragDropBlockEventArgs
         GrapeCity.Windows.SpreadSheet.UI.DragFillBlockEventArgs
         GrapeCity.Windows.SpreadSheet.UI.EditCellStartingEventArgs
         GrapeCity.Windows.SpreadSheet.UI.LeaveCellEventArgs
         GrapeCity.Windows.SpreadSheet.UI.RangeFilteringEventArgs
         GrapeCity.Windows.SpreadSheet.UI.RangeGroupStateChangingEventArgs
         GrapeCity.Windows.SpreadSheet.UI.RangeSortingEventArgs
         GrapeCity.Windows.SpreadSheet.UI.RowHeightChangingEventArgs
         GrapeCity.Windows.SpreadSheet.UI.RowViewportHeightChangingEventArgs
   System.ValueType
      GrapeCity.Windows.SpreadSheet.UI.KeyStroke
   System.Windows.DependencyObject
      GrapeCity.Windows.SpreadSheet.UI.DrawingObjectManager
      System.Windows.UIElement
         System.Windows.FrameworkElement
            System.Windows.Controls.Control
               GrapeCity.Windows.SpreadSheet.UI.AutoFilterEditor
               GrapeCity.Windows.SpreadSheet.UI.CellPresenterBase
                  GrapeCity.Windows.SpreadSheet.UI.CellPresenter
                  GrapeCity.Windows.SpreadSheet.UI.HeaderCellPresenter
                     GrapeCity.Windows.SpreadSheet.UI.ColumnHeaderCellPresenter
                     GrapeCity.Windows.SpreadSheet.UI.CornerHeaderCellPresenter
                     GrapeCity.Windows.SpreadSheet.UI.RowHeaderCellPresenter
               GrapeCity.Windows.SpreadSheet.UI.CrossSplitBar
               GrapeCity.Windows.SpreadSheet.UI.DragFillSmartTag
               GrapeCity.Windows.SpreadSheet.UI.GcSpreadSheet
               GrapeCity.Windows.SpreadSheet.UI.HorizontalSplitBar
               GrapeCity.Windows.SpreadSheet.UI.HorizontalSplitBox
                  GrapeCity.Windows.SpreadSheet.UI.TabStripSplitBox
               GrapeCity.Windows.SpreadSheet.UI.InvalidDataPresenter
               GrapeCity.Windows.SpreadSheet.UI.TabStrip
               GrapeCity.Windows.SpreadSheet.UI.TabStripNavigator
               GrapeCity.Windows.SpreadSheet.UI.TabStripResizeBar
               GrapeCity.Windows.SpreadSheet.UI.ToolbarSeparator
               GrapeCity.Windows.SpreadSheet.UI.TooltipControl
               GrapeCity.Windows.SpreadSheet.UI.VerticalSplitBar
               GrapeCity.Windows.SpreadSheet.UI.VerticalSplitBox
               System.Windows.Controls.ContentControl
                  C1.Silverlight.SpreadSheet.C1HeaderedContentControl
                     C1.Silverlight.SpreadSheet.C1DropDownButton
                        C1.Silverlight.SpreadSheet.C1DropDown
                           C1.Silverlight.SpreadSheet.Toolbar.C1ToolbarDropDown
                              GrapeCity.Windows.SpreadSheet.UI.ToolbarDropDown
                  GrapeCity.Windows.SpreadSheet.UI.DragFillContextMenu
                  GrapeCity.Windows.SpreadSheet.UI.DragFillContextMenuItem
                  GrapeCity.Windows.SpreadSheet.UI.DropDownItemBaseControl
                     GrapeCity.Windows.SpreadSheet.UI.AutoFilterDropDownItemControl
                     GrapeCity.Windows.SpreadSheet.UI.DropDownItemControl
                     GrapeCity.Windows.SpreadSheet.UI.SeparatorDropDownItemControl
                  System.Windows.Controls.ListBoxItem
                     GrapeCity.Windows.SpreadSheet.UI.AutoFilterListBoxItem
                     GrapeCity.Windows.SpreadSheet.UI.DataValidationListBoxItem
                  System.Windows.Controls.Primitives.ButtonBase
                     System.Windows.Controls.Button
                        GrapeCity.Windows.SpreadSheet.UI.FilterButton
                        GrapeCity.Windows.SpreadSheet.UI.NewSheetButton
                        GrapeCity.Windows.SpreadSheet.UI.RangeGroupButtonPresenter
                        GrapeCity.Windows.SpreadSheet.UI.RangeGroupHeaderButtonPresenter
                        GrapeCity.Windows.SpreadSheet.UI.SheetTab
                        GrapeCity.Windows.SpreadSheet.UI.TabStripSideButton
                        GrapeCity.Windows.SpreadSheet.UI.ToolbarButton
                     System.Windows.Controls.Primitives.ToggleButton
                        System.Windows.Controls.CheckBox
                           GrapeCity.Windows.SpreadSheet.UI.AutoFilterCheckBox
               System.Windows.Controls.ItemsControl
                  C1.Silverlight.SpreadSheet.C1HierarchicalPresenter
                     C1.Silverlight.SpreadSheet.C1Menu
                        C1.Silverlight.SpreadSheet.C1ContextMenu
                           GrapeCity.Windows.SpreadSheet.UI.ContextMenu
                  C1.Silverlight.SpreadSheet.Toolbar.C1ToolbarGroup
                     GrapeCity.Windows.SpreadSheet.UI.ToolbarGroup
                  C1.Silverlight.SpreadSheet.Toolbar.C1ToolbarStrip
                     GrapeCity.Windows.SpreadSheet.UI.ToolbarStrip
                  GrapeCity.Windows.SpreadSheet.UI.ColumnDropDownList
                  System.Windows.Controls.Primitives.Selector
                     System.Windows.Controls.ListBox
                        GrapeCity.Windows.SpreadSheet.UI.AutoFilterListBox
                        GrapeCity.Windows.SpreadSheet.UI.DataValidationListBox
               System.Windows.Controls.RichTextBox
                  GrapeCity.Windows.SpreadSheet.UI.FormulaTextBox
               System.Windows.Controls.TextBox
                  GrapeCity.Windows.SpreadSheet.UI.EditingElement
            System.Windows.Controls.Panel
               GrapeCity.Windows.SpreadSheet.UI.BaseSparklineView
                  GrapeCity.Windows.SpreadSheet.UI.ColumnSparklineView
                  GrapeCity.Windows.SpreadSheet.UI.LineSparklineView
                  GrapeCity.Windows.SpreadSheet.UI.WinLossSparklineView
               GrapeCity.Windows.SpreadSheet.UI.CellBackgroundPanel
               GrapeCity.Windows.SpreadSheet.UI.FloatingObjectSelectedFrame
               GrapeCity.Windows.SpreadSheet.UI.SheetView
                  GrapeCity.Windows.SpreadSheet.UI.SpreadView
               GrapeCity.Windows.SpreadSheet.UI.SpreadChartBaseView
                  GrapeCity.Windows.SpreadSheet.UI.SpreadChartView
                  GrapeCity.Windows.SpreadSheet.UI.SpreadSurfaceChartView

Reference

GrapeCity.Silverlight.SpreadSheet.UI Assembly