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Manual says but size is not set. I remember upon a time it was.

One of our manuals is lying... Both in text and function.
Quote:
If no size is given in a panel definition, the panel is set to the size of the panel bitmap. If neither a size nor a bitmap is given, the panel is set to the size of its largest element (f.i. a button).''' If no size is given in a view definition, the view is set to the size of its render target. '''

^Online manual.

Quote:
I got used a couple of years ago and I continued disabling pointer detection.


Lol yes! I did the change years back as well, but ended up having to go back when answering questions in this actual Section.