How to check for "Nothing"?

I

Igor

I must be missing something but I am not finding a way to check a value of a
variable for "Nothing". In my case, I have optional params to a procedure,
and I would like to know whether a given param was specified. Teh param is
of type "Control", so it gets assigned "Nothing" if it is not passed.

Any help is appreciated.

- Igor
 
I

Igor

Sorry. never mind!
I found it in this newsgroup. The sytnax is "is nothnig".
Somehow I missed it in the Access docs.

- Igor
 
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