I don't know if I'm tired, dumb, or just missing something obvious.

Why does this...

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
     <mx:Script><![CDATA[
               [bindable]
               public var myNum:uint = 0;
     ]]></mx:Script>
<mx:Label text="{myNum}" />
<mx:Button
     label="Push Me"
     click="myNum=10; mx.controls.Alert.show('myNum = '+myNum, 'myNum');" />
</mx:Application>

...return this error?

     Data binding will not be able to detect assignments to "myNum".

The Alert box shows the value is changed on click, but sure enough the label
does not change.  This seems like about the simplest example of Bindable I
could possibly think of.  Sorry to whine, but why is this so hard?  And why
can't I find the answer in the help files?  I think Flex is amazingly cool,
but dang it's hard to find the answers to some things that should be really
basic.

Like I said, maybe I'm just over-tired :-)

Thanks!
Darren




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