2014-11-21 16:01 GMT+01:00 Frederic Da Vitoria <davito...@gmail.com>:
> > 2014-11-20 19:21 GMT+01:00 Fabio Luis Girardi <fluisgira...@gmail.com>: > >> I don't know if this is a bug or not. I created a control from a >> TCustomControl that draws a polyline with a transparent background. The >> transparent effect has been using SetShape procedure using a bitmap of 1 >> bit color depth. >> >> The "bug" (I don't know if this is a bug) is that a TImage behind of a >> instance of my polyline control don't receive the click messages, but a >> TButton instance receives. >> >> So, I don't know if this is a bug or I have to do something in my control >> to send these messages to TImage behind. >> > > I had once a similar issue with a tPanel behind another control, in > Delphi. IIRC, I indeed had to forward the messages in some way to the > tPanel. I can check in my archives, if you want, but I won't be able to do > it before tomorrow. > I just checked. Sorry, my memory was wrong, I did use TButtons. But it makes sense that the uppermost control would prevent any deeper control from receiving clicks, even if the uppermost control is visually transparent. -- Frederic Da Vitoria (davitof) Membre de l'April - « promouvoir et défendre le logiciel libre » - http://www.april.org
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