[flexcoders] flex vertial button?

[markflex2007]

I try to vertical button like.but I can not see label in button.

<mx:HBox width="100%" rotation="90"  x="100" y="100"  clipContent="true">
                <mx:Button id="myButton" label="CLICK ME" height="30" 
rotation="90" />
</mx:HBox> 

Do you have other ways.Thanks

Mark