Create HRule and VRule controls using and
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:VBox> <mx:Label text="Above" /> <mx:HRule /> <mx:Label text="Below" /> </mx:VBox> <mx:HBox> <mx:Label text="Left" /> <mx:VRule /> <mx:Label text="Right" /> </mx:HBox> </mx:Application>