Addons object (Visio)
Represents the set of installed add-ons known to an Application object.
To retrieve an Addons collection, use the Addons property of an Application object.
The default property of an Addons collection is Item.
Installed add-ons are those that Microsoft Visio finds in its Addons or StartUp paths, those that were installed during the initial setup of Visio, those you have installed by using a Microsoft Windows Installer package, or those that other add-ons have dynamically installed by using the Add method of the Addons collection.
Support and feedback
Have questions or feedback about Office VBA or this documentation? Please see Office VBA support and feedback for guidance about the ways you can receive support and provide feedback.