# FarPoint.Win.Spread.UndoRedo.GroupColumnUndoAction ## Content

GroupColumnUndoAction Class

Represents the undo actions for drag-drop of a column to the grouping bar.

GroupColumnUndoAction

public class GroupColumnUndoAction : UndoAction, ICloneable

Public Class GroupColumnUndoAction
    Inherits UndoAction
    Implements ICloneable

Name	Description
GroupColumnUndoAction(SheetView, int, bool)	Creates a new undo action for drag-drop of a column to the grouping bar.
GroupColumnUndoAction(SheetView, int, bool, bool, int)	Creates a new undo action for drag-drop of a column to the grouping bar.

Name	Description
append	Specifies whether to append this column to the existing grouping or to create a new grouping.
column	Specifies the index of the column dropped on the grouping bar.
dragFromGroupBar	Specifies whether the user drags a box from the group bar.
prevDataModel	Specifies the previous data model.
prevSortInfo	Specifies the previous sort information.
sheetView	Specifies the sheet that contains the column.
targetColumn	Specifies the target column location, if dragFromGroupBar is true.

Name	Description
PerformUndoAction(object)	Adds the column to the grouping bar.
SaveUndoState()	Saves the undo state.
ToString()	Returns a string that represents this object.
Undo(object)	Undoes the grouping.