Public Overrides Function Undo( _
   ByVal sender As Object _
) As Boolean

Visual Basic (Usage)	Copy Code
Dim instance As GroupColumnUndoAction Dim sender As Object Dim value As Boolean   value = instance.Undo(sender)

public override bool Undo( 
   object sender
)

Parameters

sender

object

Return Value

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference