ポップアップウインドウを作りたいときとか。 PopupWindow.mxml <?xml version="1.0" encoding="utf-8"?> <mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="init()"> <mx:Script> <![CDATA[ private var buttonFlags:uint = 0x4; private var type:uint; public static function popup(flags:uint = 0x4 /* Alert.OK */, type: uint = 0x0016 /* ALERT */ , parent:Sprite = null, cb:Function = null):void { var win:PopupWind