![](dotnetdiagramimages/GrapeCity_WPF_SpreadGrid_GrapeCity_Windows_SpreadGrid_ComboBoxCellType.png)
'宣言
Public Class ComboBoxCellType Inherits CellTypeBase Implements GrapeCity.Windows.SpreadGrid.Editors.IAllowDropDownCellType, GrapeCity.Windows.SpreadGrid.Editors.IAllowSpinCellType
public class ComboBoxCellType : CellTypeBase, GrapeCity.Windows.SpreadGrid.Editors.IAllowDropDownCellType, GrapeCity.Windows.SpreadGrid.Editors.IAllowSpinCellType
System.Object
GrapeCity.Windows.SpreadGrid.CellTypeBase
GrapeCity.Windows.SpreadGrid.ComboBoxCellType