Embed calculation logic into Button click event

        

<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
    <mx:Panel title="My Application" paddingTop="10" paddingBottom="10" paddingLeft="10" paddingRight="10">
        <mx:HBox>
            <mx:Label text="Temperature in Fahrenheit:" />
            <mx:TextInput id="fahrenheit" width="120" />
            <mx:Button label="Convert" click="celsius.text=String((Number(fahrenheit.text)-32)/1.8);" />
            <mx:Label text="Temperature in Celsius:" />
            <mx:Label id="celsius" width="120" fontSize="24" />
        </mx:HBox>
    </mx:Panel>
</mx:Application>

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Embed calculation logic into Button click event : Button Event « Components « Flex

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