>>>Hi Dan,
>>>
>>>Yep, that'll happen. It's once of the reasons why I never, ever make modifications to incoming parameters, regardless if it's a procedure or a function, unless it's the express intent of the program code to do so.
>>
>>That's true. My tendency has always been to store the parameter to a local variable, if I wanted to change it. I had forgotten why I was doing that, but that's definitely the reason.
>
>For me, all it took was one instance where an assumption on my part led to problems. As you know, by default UDFPARMS is set to VALUE. I ran into a case where, unbeknownst to me, in someone else's code I was working on, this was changed to REFERENCE. Can you say, "KA-BOOM", boys and girls? I thought you could.:-)
>
>Needless to say, from that day forward, I always assign incoming variables to local ones where modification is necessary.

Did you have a few choice words with your fellow coder?