Bug 7235 [Contributions] Need dispose() for action delegates
bundles/org.eclipse.jface/src/org/eclipse/jface/action/SubMenuManager.java
*/
public void setRemoveAllWhenShown(boolean removeAll) {
	Assert.isTrue(false, "Should not be called on submenu manager");
}
/* (non-Javadoc)
 * Method declared on SubContributionManager.
 */
public void setVisible(boolean visible) {
	super.setVisible(visible);
	if (mapMenuToWrapper != null) {
		Iterator iter = mapMenuToWrapper.values().iterator();
		while (iter.hasNext()) {
			SubMenuManager wrapper = (SubMenuManager)iter.next();
			wrapper.setVisible(visible);
		}
	}
}
/* (non-Javadoc)
 * Method declared on IMenuManager.
 */
public void update() {
	
	
	
	parentMgr.update();
}
/* (non-Javadoc)
 * Method declared on IMenuManager.
 */
public void update(boolean force) {