[Lazarus] Inconsistent ScrolledClientRect calculation
DrDiettrich1 at aol.com
Fri Oct 7 13:18:23 CEST 2011
Mattias Gaertner schrieb:
> > > Where exactly is TRect used to hold the Width and Height? File and
> > TControl.GetClientRect
> > (controls.inc 1525..)
> > BoundsRect and ClientRect contain different information, despite the
> > similar name and type.
> They both return a Left,Top,Right,Bottom.
> ClientRect Left,Top is 0,0, so Right=ClientWidth and Bottom=ClientHeight.
Is this really consistent with a scrolled client area, inner borders,
swapped scrollbars in BiDi mode etc.?
But I agree that client areas *could* be described by TopLeft and
BottomRight points, when the implementation is consistent.
AFAIR there exist (derived) controls with a client origin <> (0,0)...
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