Copyright (c) SEMM NL All rights reserved.
Author : Paul Hamaker. Part of


3 components will be disabled the first time .

Next click the components are made invisible, but they still exist .

Restored at the next click .

We request the contentpane's appearance to be updated, where needed.


setState and setVisible are inherited methods, inherited from java.awt.Component.


We need a JComponent reference to be able to call revalidate.