1     <?xml version="1.0" encoding="utf-8"?>
2     <mx:Application
3        xmlns:mx="http://www.adobe.com/2006/mxml"
4        layout="absolute"
5        xmlns:ns1="*"
6        width="600"
7        height="400">
8
9        <ns1:EngineManager x="0" y="0" width="100%" height="100%" id="engineManager"/>
10       <mx:ComboBox x="10" y="10" id="cmbModelType" dataProvider="{EngineManager.ModelTypes}" change="{engineManager.ModelType=cmbModelType.value as String;}"></mx:ComboBox>
11
12    </mx:Application>