Vwa.ShapeCollection Class
Applies to: apps for SharePoint | SharePoint Server 2013
Represents the collection of Vwa.Shape objects on the active Web drawing page displayed in the rendering area of the Visio Web Access Web Part.
Vwa.ShapeCollection
Remarks
You can use the methods of the ShapeCollection class to get the number of shapes on the page, and to access individual shapes in the collection. The collection includes only the shapes on the top level in the Web drawing and the shapes that have points of interest (such as hyperlinks or shape data) from the foreground page and the associated background pages.