ViewStack is ususlly connected with LinkBar
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Script> import mx.events.ItemClickEvent; private function clickHandler(event:ItemClickEvent):void { mx.controls.Alert.show(String(event.index) + "/" + event.label); } </mx:Script> <mx:Panel title="Navigation Containers" height="90%" width="90%" > <mx:LinkBar fontWeight="bold" dataProvider="{myVS}" itemClick="clickHandler(event);"/> <mx:ViewStack id="myVS" borderStyle="solid" width="100%" height="80%"> <mx:Canvas id="A" label="A" width="100%" height="100%"> <mx:Label text="A" color="#000000"/> </mx:Canvas> <mx:Canvas id="B" label="B" width="100%" height="100%"> <mx:Label text="B" color="#000000"/> </mx:Canvas> </mx:ViewStack> </mx:Panel> </mx:Application>