VisioPS and the underlying VisioAutomation library have had no support for editing a Master. Starting on the weekend I'm slowly adding support for this kind of editing to both VisioPS and VisioAutomation.
Compatibility
If you are an existing VisioAutomation user it should affect you, but eventually it may require some API changes.
Compatibility
If you are an existing VisioAutomation user it should affect you, but eventually it may require some API changes.