>> Purge your mind PC/Mac desires. Embrace the Zen of Palm...
>
>  If you ask me what one hand clapping sounds like, I'm outta 
>here. ;-)  Am
>just going on experience from various systems over the years, 
>where things
>that appear/disappear on their own whim cause confusion and 
>can be more of a
>hindrance than a help. 

Actually, a situation where a button is grayed out shouldn't really
come up in most situations, but if it were to occur, I'd just leave
the button "as-is", and just pop an alert that tells the user exactly
WHY the button is disabled.  Like: "Paste operation is currently disabled
because there is no data on the clipboard" (or maybe say "because you 
haven't cut or copied anything" to keep it simple).  I hate grayed out
buttons, because sometimes I can't figure out WHY they're grayed out in
the first place when I'm learning an interface.  

-Rus

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