PaletteItemManager manager = (PaletteItemManager) imanager;
// ResourcesPlugin.getWorkspace().removeResourceChangeListener(
// _resourceChangeListener);
manager.removeEntryChangeListener(_paletteModelListener);
// PaletteItemManager.clearPaletteItemManager();
manager.release(((DesignerPaletteRoot)root).getPaletteContext());
}
}
super.unhookControl();
}