extends the standard ComboBox control to initialize it
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" width="150" height="150"> <mx:ComboBox> <mx:dataProvider> <mx:String>A</mx:String> <mx:String>B</mx:String> <mx:String>C</mx:String> <mx:String>D</mx:String> <mx:String>E</mx:String> <mx:String>F</mx:String> </mx:dataProvider> </mx:ComboBox> </mx:Application>