Displaying scroll tips on a Flex TextArea control

The following example shows how you can display scroll tips on a Flex TextArea control when the user drags the scroll thumb.

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/11/21/displaying-scroll-tips-on-a-flex-textarea-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:String id="lorem" source="lorem.txt" />

    <mx:ApplicationControlBar dock="true">
        <mx:Form styleName="plain">
            <mx:FormItem label="showScrollTips:">
                <mx:CheckBox id="checkBox" selected="true" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:TextArea text="{lorem}"
            showScrollTips="{checkBox.selected}"
            width="100%"
            height="100%" />

</mx:Application>

View source is enabled in the following example.