Formatting data tips in a Slider

      
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Script>
        
            private function formatFunction(item:Object):String {
                  return "Value: $" + item.toString();
            }
      
    </mx:Script>

    <mx:HSlider id="slider"
            dataTipFormatFunction="formatFunction" />

    <mx:Label id="lbl" text="{slider.value}" />

</mx:Application>

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34.	Use dataTipFormatFunction to format the data tip text
35.	Invoke adjustThumb() method when the user clicks the button
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Formatting data tips in a Slider : Slider « Components « Flex

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