Specifying whether a new Window is focused in Adobe AIR

<?xml version="1.0" encoding="utf-8"?>
<!-- http://airexamples.com/2010/03/12/specifying-whether-a-new-window-is-focused-in-adobe-air/ -->
<mx:WindowedApplication name="Window_open_openWindowActive_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">
 
    <mx:Script>
        <![CDATA[
            import mx.core.Window;
 
            protected function btn_clickHandler(evt:MouseEvent):void {
                var win:MyWin = new MyWin();
                win.open(ch.selected);
            }
        ]]>
    </mx:Script>
 
    <mx:ApplicationControlBar dock="true">
        <mx:CheckBox id="ch"
                label="openWindowActive:"
                labelPlacement="left"
                selected="true" />
    </mx:ApplicationControlBar>
 
    <mx:Button id="btn"
            label="Open Window"
            click="btn_clickHandler(event);" />
 
</mx:WindowedApplication>

<?xml version="1.0" encoding="utf-8"?>
<!-- http://airexamples.com/2010/03/12/specifying-whether-a-new-window-is-focused-in-adobe-air/ -->
<mx:Window name="MyWin"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="absolute"
        width="300" height="200">
 
    <mx:Label id="lbl"
            text="I'm a Window!"
            fontSize="32"
            horizontalCenter="0" verticalCenter="0" />
 
</mx:Window>