You could test the date, and if not in your parameters, delete the add-in
code. See www.cpearson.com/excel/vbe.htm for the code deletion technique

--

HTH

RP

"sirin" wrote in message
...

I coded an add in to be used only for 48days starting 28-Oct-04. Not
before that and not after that. Just passing the instructions to user
accordingly is not sufficient. If any user uses it after that or before
that, it will screw up the data.

How to acheive it programetically?

Thanks.


--
sirin
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