BoundLeft, BoundTop, BoundWidth, BoundHeight all return undefined

[lorinwareprod]

Using nodeJs v10.15.3, Winax 1.12. and PowerPoint 2007, I'm trying to get the BoundLeft, BoundWidth, BoundHeight and BoundTop value properties for a TextRange object. They all return "undefined" whatever I try. If I ask for the Text or Length or any other property of the TextRange, I got a valid result. Also the typeof() for these properties returns "undefined" while they are effectively present in the property list. Here is an example of what I do:

var presentation = powerpnt.Presentations.Open("myFileName.pptx", 0, 0, 0); var slideShapes = presentation.Slides.Item(1).Shapes; console.log(slideShapes.Item(1).TextFrame.TextRange.Text); console.log(slideShapes.Item(1).TextFrame.TextRange.BoundLeft);

The "Text" property effectively displays the text of the TextRange but the BoundLeft will return undefined.

Could it be that I do something wrong here?