How do I obtain the start and end Shapes from a Connector in Visio using C#?

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C#

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Visio

Microsoft

I've created my own stencil and a set of classes to work on creating and reading Ms Visio Pages. My objective now is to know which are the 2D shapes of a connector on the start and end of it.

So far I've tried using the

shape.GluedShapes(Visio.VisGluedShapesFlags.visGluedShapesAll2D, "");

method but when I get the shapes using

shape.ContainingPage.Shapes.get_ItemFromID((int)ids.GetValue(X));

considering X as the index of the id array which is 0 or 1 is irrelevant which is the starting shape and the end shape.

Is there any other way to obtain this information?