Flash - Flex3 - Builder (Flex) - Hide UI Element?

Dec 12, 2010

how can I hide an element in Flash Builder? I can do visible=false but the element is still there (other buttons are not centered). I'm looking for display:none style property.

<mx:HBox horizontalAlign="center">
<mx:Button id="publishButton" label="Start" />
<mx:Button label="Stop" visible="false" />
</mx:HBox>

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