One MXML document and one ActionScript file

The function call is in an MXML tag event, and the function is defined in a separate ActionScript file, as the following code shows:

<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml">

   <!-- Specify the ActionScript file containing the function. -->
   <mx:Script source="sample3script.as"/>

   <mx:Panel title="My Application" marginTop="10" marginBottom="10"
      marginLeft="10" marginRight="10" >
      <mx:HBox>
         <mx:Label text="Temperature in Farenheit:"/>
         <mx:TextInput id="farenheit" width="120"/>
         <mx:Button label="Convert" click="calculate();" />
         <mx:Label text="Temperature in Celsius:"/>
         <mx:Label id="celsius" width="120" fontSize="48"/>
      </mx:HBox>
   </mx:Panel>
</mx:Application>

The sample3script.as ActionScript file contains the following code:

function calculate() {
   celsius.text=(farenheit.text-32)/1.8;
}

Version 1.5

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