<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical">
<mx:MenuBar labelField="@label" itemClick="handleMenuClick(event)">
<mx:XMLList>
<menuitem label="File">
<menuitem label="New"/>
<menuitem label="Open"/>
<menuitem label="Close" enabled="false"/>
</menuitem>
<menuitem label="Edit"/>
<menuitem label="Source"/>
<menuitem label="View">
<menuitem label="50%" type="radio" groupName="one"/>
<menuitem label="100%" type="radio" groupName="one" selected="true"/>
<menuitem label="150%" type="radio" groupName="one"/>
</menuitem>
</mx:XMLList>
</mx:MenuBar>
<mx:Label id="disp0_lbl"/>
<mx:Script>
<![CDATA[
import mx.events.MenuEvent;
private function handleMenuClick(evt:MenuEvent):void {
this.disp0_lbl.text = evt.item.@label + " was selected";
}
]]>
</mx:Script>
</mx:Application>