![](dotnetdiagramimages/GrapeCity_Silverlight_SpreadSheet_UI_GrapeCity_Windows_SpreadSheet_UI_UndoRedo_RowGroupHeaderExpandUndoAction.png)
'Declaration Public Class RowGroupHeaderExpandUndoAction Inherits ActionBase Implements GrapeCity.Windows.SpreadSheet.UI.IUndo
'Usage Dim instance As RowGroupHeaderExpandUndoAction
public class RowGroupHeaderExpandUndoAction : ActionBase, GrapeCity.Windows.SpreadSheet.UI.IUndo
System.Object
GrapeCity.Windows.SpreadSheet.UI.UndoRedo.ActionBase
GrapeCity.Windows.SpreadSheet.UI.UndoRedo.RowGroupHeaderExpandUndoAction