@petec
I understand your point. But my window appears as a pop up so my background image appears with a little blur, and I need to take this in account. If not, my scroll item will appear between my frame window and the border of my screen.
I would …
My cheating way of doing that sort of thing is to make a graphic with the appropriately sized rectangle cut out of it and set this graphic above the things that I want to be able to cover. So, add your scroll list and then add the covering graphic a…