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problem about setUndecorated(true) for JDialog

843806May 2 2009 — edited May 2 2009

I have a error when I use:

setUndecorated(true)

for JDialog ( if using for JFrame is no problem):
This error:

Exception in thread "AWT-EventQueue-0" java.awt.IllegalComponentStateException: The dialog is displayable.
+ at java.awt.Dialog.setUndecorated(Unknown Source)+

Please help me
Thanks

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Locked on May 30 2009

Added on May 2 2009

#swing

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