I was wondering if there was a way to have a context type menu using the combo box, or list box.
I see there already actions for placing it at object, but it doesn't seem to want to show up.
The window controls don't work with scrolling or fullscreen games. They're designed for applications. You'll have to come up with your own system with boxes and sprites.
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Ah, yes I see now, I just tried scaling the window, and the box didn't go with it.