System.Object
   FarPoint.Win.Spread.CellType.BaseCellType
      FarPoint.Win.Spread.CellType.BarCodeCellType
      FarPoint.Win.Spread.CellType.ButtonCellType
      FarPoint.Win.Spread.CellType.CheckBoxCellType
      FarPoint.Win.Spread.CellType.ColorPickerCellType
      FarPoint.Win.Spread.CellType.ComboBoxCellType
      FarPoint.Win.Spread.CellType.EditBaseCellType
         FarPoint.Win.Spread.CellType.CurrencyCellType
         FarPoint.Win.Spread.CellType.DateTimeCellType
         FarPoint.Win.Spread.CellType.EmptyCellType
         FarPoint.Win.Spread.CellType.GeneralCellType
         FarPoint.Win.Spread.CellType.MaskCellType
         FarPoint.Win.Spread.CellType.NumberCellType
         FarPoint.Win.Spread.CellType.PercentCellType
         FarPoint.Win.Spread.CellType.RegularExpressionCellType
         FarPoint.Win.Spread.CellType.TextCellType
            FarPoint.Win.Spread.CellType.TextAndFormulaSupportCellType
      FarPoint.Win.Spread.CellType.FilterBarCellType
      FarPoint.Win.Spread.CellType.HyperLinkCellType
      FarPoint.Win.Spread.CellType.ImageCellType
      FarPoint.Win.Spread.CellType.ListBoxCellType
      FarPoint.Win.Spread.CellType.MultiColumnComboBoxCellType
      FarPoint.Win.Spread.CellType.MultiOptionCellType
      FarPoint.Win.Spread.CellType.ProgressCellType
      FarPoint.Win.Spread.CellType.RichTextCellType
      FarPoint.Win.Spread.CellType.SliderCellType
   FarPoint.Win.Spread.CellType.CornerRenderer
      FarPoint.Win.Spread.CellType.EnhancedCornerRenderer
      FarPoint.Win.Spread.CellType.FlatCornerHeaderRenderer
         FarPoint.Win.Spread.CellType.FlatCornerFooterRenderer
   System.EventArgs
      FarPoint.Win.Spread.CellType.FilterBarDropDownSelectionChangingEventArgs
      FarPoint.Win.Spread.CellType.GeneralEditor.SubEditorCancelEventArgs
      FarPoint.Win.Spread.CellType.RichTextEditor.SubEditorCancelEventArgs
   System.MarshalByRefObject
      System.ComponentModel.Component
         System.Windows.Forms.Control
            FarPoint.Win.ElementControl
               FarPoint.Win.SuperEditBase
                  FarPoint.Win.Spread.CellType.GeneralEditor
                     FarPoint.Win.Spread.CellType.MultiColumnEditor
            FarPoint.Win.FpButton
               FarPoint.Win.Spread.CellType.ColumnHeaderRenderer
                  FarPoint.Win.Spread.CellType.BaseHeaderFlatStyleRenderer
                     FarPoint.Win.Spread.CellType.FlatColumnFooterRenderer
                     FarPoint.Win.Spread.CellType.FlatColumnHeaderRenderer
                     FarPoint.Win.Spread.CellType.FlatFilterBarHeaderRenderer
                     FarPoint.Win.Spread.CellType.FlatRowHeaderRenderer
                  FarPoint.Win.Spread.CellType.EnhancedColumnHeaderRenderer
                  FarPoint.Win.Spread.CellType.EnhancedRowHeaderRenderer
                  FarPoint.Win.Spread.CellType.GradientHeaderRenderer
                  FarPoint.Win.Spread.CellType.RowHeaderRenderer
            FarPoint.Win.Spread.CellType.FilterBarEditor
            System.Windows.Forms.MonthCalendar
               FarPoint.Win.Spread.CellType.SpreadDropDownMonthCalendar
            System.Windows.Forms.ScrollableControl
               System.Windows.Forms.ContainerControl
                  System.Windows.Forms.Form
                     FarPoint.Win.Spread.CellType.SpreadMonthCalendar
            System.Windows.Forms.TextBoxBase
               System.Windows.Forms.RichTextBox
                  FarPoint.Win.Spread.CellType.RichTextBoxWrapper
                     FarPoint.Win.Spread.CellType.RichTextEditor

Reference

FarPoint.Win.Spread Assembly

User-Task Documentation

Customizing with Cell Types