<?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx = "http://ns.adobe.com/mxml/2009" xmlns:s = "library://ns.adobe.com/flex/spark" viewSourceURL="srcview/index.html"> <fx:Script> <![CDATA[ import mx.core.IVisualElementContainer; import spark.components.Scroller; import spark.components.VGroup; protected var group :VGroup; protected var scroller :Scroller; protected override function createChildren():void { super.createChildren(); group = new VGroup(); group.width = 500; group.height = 300; scroller = addElement( new Scroller() ) as Scroller; scroller.viewport = group; scroller.minViewportInset = 1; scroller.measuredSizeIncludesScrollBars = true; } protected function buttonClickHandler(event:MouseEvent):void { var button:Button; if(group != null) { button = group.addElement( new Button() ) as Button; button.width = 500; button.height = 100; button.label = getTimer().toString(); button.setStyle("fontSize", 20); button.addEventListener(MouseEvent.CLICK, function(event:MouseEvent):void { var b:Button = event.currentTarget as Button; var p:IVisualElementContainer = b.parent as IVisualElementContainer; p.removeElement(b); b.removeEventListener(event.type, arguments.callee); } ); } } ]]> </fx:Script> <s:layout> <s:VerticalLayout horizontalAlign="center" verticalAlign="middle" /> </s:layout> <s:Button click="buttonClickHandler(event)" /> </s:Application>