[Lazarus] flickering on statusbar panel

Andrea Mauri andrea.mauri.75 at gmail.com
Thu Dec 18 14:58:58 CET 2008

But why, same monitor, same application, labels do not flicker while 
statusbar flickers?

Mattias Gärtner ha scritto:
> Zitat von Andrea Mauri <andrea.mauri.75 at gmail.com>:
>> Yes, but the flickering remains both with DoubleBuffered:= True and
>> DoubleBuffered:= False.
>> The only difference is that using DoubleBuffered:= True the statusbar
>> seems to be repainted faster.
> TWinControl.DoubleBuffered can only fix the flickering when repainting the same
> (erasing plus painting the same content as the last time).
> It can not fix the flickering when the text on the statusbar changes. To fix
> this flickering your painting must be in sync with your monitor. See the
> vertical sync option for your graphic card.
> Mattias
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Dr. Andrea Mauri, PhD
Milano Chemometrics and QSAR Research Group
Department of Environmental Sciences
University of Milano-Bicocca 
P.zza della Scienza, 1
20126 Milano - Italy

Tel: ++39 02 64482801
mailto:andrea.mauri.75 at gmail.com

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