On Thu, Apr 2, 2015 at 7:57 PM, JuuS <JuuS at mykolab.ch> wrote: > It just struck me...it appears the top/left property is capturing the > mouse position...? This is a real error. See http://bugs.freepascal.org/view.php?id=27854 It is caused by the same revision that fixed the related issue #23891, found by Vojtech. Juha