'Declaration Public Overridable Sub Undo()
'Usage Dim instance As History instance.Undo()
public virtual void Undo()
'Declaration Public Overridable Sub Undo()
'Usage Dim instance As History instance.Undo()
public virtual void Undo()
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