<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/04/30/determining-when-the-datefield-control-is-opened-or-closed-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        xmlns:comps="comps.*"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:ApplicationControlBar id="appControlBar" dock="true" />

    <comps:MyDateField width="100%" height="100%" />

</mx:Application>