Border properties set in MXML mark-up
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns:s="library://ns.adobe.com/flex/spark"> <!-- --> <s:BorderContainer width="200" height="200" cornerRadius="10" borderStyle="inset"> <s:layout> <s:VerticalLayout paddingLeft="5" paddingTop="5" paddingBottom="5" paddingRight="5" horizontalAlign="justify" /> </s:layout> <mx:Label text="Lorem ipsum dolor sit amet consectetur adipisicing elit." /> <mx:Button label="click me" /> <s:borderStroke> <s:SolidColorStroke color="#0000" weight="2" /> </s:borderStroke> </s:BorderContainer> </mx:Application>