[flexcoders] how to know if the hsider value change or not

[markflex2007]

Hi,

I try to use follow code to catch if the hsilider value change but it 
doen't work .Please help me to know how to fix it.Thanks.

--Mark

<mx:HSlider width="600"  id="h1" minimum="0" maximum="120" 
value="{_model._te}" enabled="false"  x="0" y="0"    />


 public function init():void{
  
 h1.addEventListener(SliderEvent.CHANGE,updateDB);
 }
            
 public function updateDB():void{
   
  Alert.show("change");
 }