[Lazarus] csOpaque seems to be broken in 0.9.29

[Funky Beast]

Hans-Peter Diettrich wrote:
> In the most general case the mouse-sensitive area can be a discontiguous
> region, leaving a "hole" inside a frame. But I found no real use for
> such a construct.

Such a construct is common in designer (CAD) or custom built applications for
mechanical/electrical/electronics/buildings engineering,
where the "hole" inside that frame could contain other objects for dragging.
Graphical modeling applications too.

Funky Beast.