rectangle with transparency

[Armel]

"Vadim Zeitlin" <vadim at wxwidgets.org> a écrit dans le message de news: 
mailman.6.1209825866.27688.wx-users at lists.wxwidgets.org...
> On Fri, 2 May 2008 19:06:24 +0200 Armel <armelasselin at hotmail.com> wrote:
>
> A> [with latest wx on Win/Mac/GTK]
> A> I'd like to draw a filled rectangle with transparency. Is there a 
> function
> A> to do that?
>
> wxGraphicsContext should handle this (although I didn't try it myself).
could you be more specific ? I found nothing related to alpha in trunk in 
wx/graphics.h (apart from a #if 0 "Set/GetAlpha" functions pair).

Best regards
Armel