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Groups > comp.lang.java.programmer > #6811

Re: java.awt.Frame - How to repaint without background update

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Knute Johnson <september@knutejohnson.com> wrote in news:j1h2au$h7k$1@dont-
email.me:

> On 8/5/2011 4:45 AM, MaciekL wrote:
>> solved:
>>
>> Adding additonal update method makes that Background is not displayed
>>
>> public void update(Graphics g) { paint(g); }
>>
>> Maciek
>>
> 
> That's because update() clears the background.

...and, for heavyweight components such as Frame, repaint(...) causes update
(...) to be called.

See "Painting in AWT and Swing" at 
http://java.sun.com/products/jfc/tsc/articles/painting/

(but be aware that later versions of Java have reduced some of the 
restrictions regarding mixing lightweight and heavyweight components).

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Re: java.awt.Frame - How to repaint without background update MaciekL <__nospam__maclab@o2.pl> - 2011-08-05 13:45 +0200
  Re: java.awt.Frame - How to repaint without background update Knute Johnson <september@knutejohnson.com> - 2011-08-05 08:30 -0700
    Re: java.awt.Frame - How to repaint without background update Ian Shef <invalid@avoiding.spam> - 2011-08-05 19:48 +0000

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