Hi Guys,
Why there is always one expose-event after
the button-press-event(and button-release-event)? that means my app redraw
itself twice for one button event, which made the app UI flickers, any clues
for settling the problem?

My env is as follows:
1, embedded linux system
2, gtk+ running on directfb
3, gtk+-2.16.0 is used

Thanks in Advance,
Tony
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