On Fri, 02 Dec 2005 09:47:15 +0000
Malcolm Poole <[EMAIL PROTECTED]> wrote:
> I am working on a suite of components for an app which will allow the
> user to design the layout of a multimedia presentation.
>
> The parent component ( or page ) is a TCustomControl descendent, while
> its children will be TGraphicControl descendents. I chose this route
> because I could find no way of making TCustomControl descendents
> transparent so that they left the background intact and did not obscure
> overlapping components.
Correct. This is not yet supported.
> When implementing the Mouse events for the TGraphicControl descendents I
> came across a problem that I would really like to know the answer to.
>
> When the parent of my GraphicControl is TForm or TPanel the MouseDown
> event fires as expected - both left and right buttons produce an event.
> However, when the GraphicControl's parent is a simple TCustomControl
> only the _right_ button works. This seems to apply with all
> TGraphicControl descendents, eg TLabel, but TCustomControl descendents
> work normally, eg TButton. But ... if I add the line
> p.FCompStyle:= csPanel; to the basic TCustomControl, then it works as
> expected.
>
> Can anyone say why this default behaviour occurs and whether it is
> intentional or an undiscovered bug?
undiscovered bug
Fixed.
Mattias
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