>> If you look at the developer guidelines, it is fine to
>> remove a control when it is not needed.
>
><opinion>
>Yikes, that's one that I'd have a tough time agreeing with.  

Actually, it's recommended in most cases, when you have a control that
is not needed for a period of time.  This is partially because simply
"graying out" a button really wastes space on a handheld's very small
screen.  The idea is that if the user doesn't need it, they don't need
to see it but not be able to use it.  If the user sees it, then the user
can use it.  If they can't, they can't.  At least, that's the common Palm
philosophy...

-Rus

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