It should work. Most likely you've incorrect value for lcValues.

>I am trying to do a "brow for inlist(field,&lcValue)"
>I get "Function argument value, type, or count invalid"
>when I type in the values it works, I don't get it.
>
>
>>>Does anyone know why a variable cannot be used with Inlist(fieldname,lcValues)? Where lcValues = '"DEP 17052","DEP 0944","05232"'.
>>
>>You've to use micro substitution in this case

Inlist(fieldname, &lcValues)