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From: supercalifragilisticexpialadiamaticonormalizeringelimatisticantations <supercalifragilisticexpialadiamaticonormalizeringelimatisticantations@averylongandannoyingdomainname.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: can't stop JPanel paint
Date: Thu, 14 Jul 2011 08:37:52 -0400
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On 14/07/2011 7:43 AM, Peter Cheung wrote:
> Hi
>     I have overrider all the paintXX method and did nothing in there. But why I still able to see the component on top of the JPanel?

A component in a container such as a panel paints itself separately, not 
as part of the panel's paint. If the area is obscured and then 
uncovered, a repaint event is sent to the panel first, then to its 
children. Even if the panel itself ignores the event the children 
generally won't.