coordinates of reference files

Hi All

I'd like to know  XY value of the border of attachment in vba or low and hight coordinates

I've got more than hundred files in reference and i don't want to scan all of them because there is certainly a better and faster way to do it.

each attachment origin is point3dzero.

Dim opoint1 as point3d

Dim opoint2 as point3d...

dim att as attachment

For each att in activemodelreference.attachments

opoint1.x=att.range.low.x ???? 'doesn't work

....

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Merci d'avance

Laurent,