On Thu, 5 Jun 2008 09:17:58 +0200 "Graeme Geldenhuys" <graemeg.lists at gmail.com> wrote: > Hi, > > Why doesn't TMemo have OnMouseWheel, OnMouseWheelUp and > OnMouseWheelDown events? Yet TListBox does. Is this by design, or an > oversight? Historical reason. I published them. Mattias