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