Font-Update of Labels with UI-Manager doesn't seem to work. PLZ help.

Hi, i placed serveral JLabel's on a JFrame. (in many Jpanels)
in a Dialog I enabled the user to select Fonts, Styles and Sizes.
I used
UIManager.put("Label.font",selectedFonts[0]);
SwingUtilities.updateComponentTreeUI(MainFrame);
MainFrame.repaint();to update the default-font.
This works fine for labels in a JDialog which is completly recreated after changing the font.
But for labels that are still visible and aren't recreated, this action seems to have no effect to the labels.
I stored the selected fonts and after a restart of the prog it look like it should, but I want to change it at runtime.
I tried to set the font-sizes by hand, which caused the programm to hang-up.
The same result was caused by using updateComponentTreeUI on partial UITree's.
Calling setVisible(false ); and setVisible(true ); don't work either.
Is there a way, to update the labels without removing and recreating??
Tanks a lot in advance for any help.
Urmech
PS.: Please excuse my bad english.

Hmm, I would have expected it to work exactly like you are doing it. Doing some experiments I found that the font is taken only on the very first change after startup. The only difference between the first and any following font settings (at least in my test setup) was that on start the type of the old font is a FontUIResource (as it is set by the UIDelegate on startup) whereas at the second it's a Font.
so, instead of
UIManager.put("Label.font", selectedFont[0])
doing a
UIManager.put("Label.font", new FontUIResource(selectedFont[0])
does the trick, though I don't understand it fully.
Greetings
Jeanette

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Filename
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