[lazarus] Does LMEraseBkgnd message work?
acjgenius at earthlink.net
Thu Oct 24 17:28:50 EDT 2002
Tony Maro wrote:
> I'm trying to use:
> procedure TFrmAbout.LMEraseBkgnd(var message: TLMEraseBkgnd);
> Message.Result := 0;
> to prevent the window from automatically blanking the background (for
> forms I'm drawing myself) and it doesn't seem to work. You still get
> the cool gray flicker of the form.
This is probably GTK.
GTK Paint Background -> LCL paints background -> you paint background.
We can stop LCL, like you are trying to, at least, I think it should
work. I will have to double check. But I do not know of a way of
stopping the GTK paint background. If double buffering were enabled you
probably wouldn't even notice it but since it isn't...
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