I am using MenuBar control in gwt and want to get the selected item. I read the API document [API document for MenuBar](http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/gwt/user/client/ui/MenuBar.html) but could not find any method that could help me. Please tell me the way how can I trap the selected item of the MenuBar.I want to get the selected item when the user click on it.