Rich, Bob-
That's what I thought, too, Rich, until I tried it. Can't do backspace, delete, or left/right arrow, hyphen... See what I mean? < s >

>Rather than trapping all the disallowed ones, it sounds like in Bob's case the code should be like
>

* Allow only digit or uppercase alpha:
>IF NOT ( BETW(nKeyPress,48,57) OR BETW(nKeyPress, 65, 90) )
>    NODEFAULT
>ENDIF

>much simpler than a case for each non-allowed character, if I understood correctly that's what you were suggesting.
>
>My US$.02 (or less),