Undo Method (ColumnGroupHeaderExpandUndoAction)

Undoes the action on the specified sender.

Syntax

'Declaration
 
Public Function Undo( _
   ByVal sender As Object _
) As Boolean

'Usage
 
Dim instance As ColumnGroupHeaderExpandUndoAction
Dim sender As Object
Dim value As Boolean
 
value = instance.Undo(sender)

public bool Undo( 
   object sender
)

true if undo is successful; otherwise, false.

Requirements

Target Platforms: Windows Server 2012, Windows RT