Problem in refreshing Frame

Hi,
i'm using internal frames for a program.And to this Internal Frame i add a panel with some buttons.
From the menu i choose the number of buttons-(for that i have a dialog box).
My problem is :
1. after i dispose the dialog box the internal frame is empty and only when i click on it the new number of buttons show up.
2.Now when i attempt to change the number of buttons for the second time - even after i click the empty frame nothing shows up !
in my code :
Clicking the OK button in the dialog box for selecting the number of buttons -
action performed has :
levels.dispose() ;
MainGameFrame.updateGUI();
and updateGUI code is :
public static void updateGUI()
          innerFrame.remove(gameboard);
          gameboard = GamePanel.getGamePanel();
          innerFrame.add(gameboard);
          innerFrame.repaint();
          innerFrame .setVisible(true);
where am i wrong ? pls let me know !
its very confusing !

You need to find out about invalidate and validate.
All components know when they have been painted. So
o a repaint tells a component "paint yourself" which
results in an "already done matey". If you
invalidate a component you effectively shout "you
look like you've been dragged through a hedge." This
should result in a proper repainting. It is not easy
because there are trees of components and I think you
have to hit the appropriate leafs. If you can't do
it then I will read about the topic and try to give
some better guidance.Hi Thanks for the effort...
I got it working now....instead of removing the components of the internal frame i removed the internal frame itself and then added it again with the changes!

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