UndoClear Method
From Microsoft Publisher Visual Basic
expression.UndoClear
expression Required. An expression that returns one of the objects in the Applies To list.
Remarks
Include this method at the end of a macro to keep Visual Basic actions from appearing in the Undo box (for example, "VBA-Selection.InsertAfter").
Example
This example clears the list of actions that can be undone for the active publication.
ActiveDocument.UndoClear