changeSupport.removePropertyChangeListener(listener);
if (accessibleContainerHandler != null) { removeContainerListener(accessibleContainerHandler); accessibleContainerHandler = null; } if (accessibleFocusHandler != null) { removeFocusListener(accessibleFocusHandler); accessibleFocusHandler = null; } super.removePropertyChangeListener(listener);
    public void removePropertyChangeListener(PropertyChangeListener listener)    {      changeSupport.removePropertyChangeListener(listener);    }