>>Ok, I did find an active filter on that table that used THISFORM. A coworker suggested, because we can't change the filter expression right now, that I use the table with the AGAIN clause. Does this seem reasonable?
>
>FILTER expression should never use THISFORM in it. You need to set your filter expression though macro, e.g.
>
>lcFilter = "myField = " + thisform.SomeProp
>
>set filter to &lcFilter

As I said, we cannot change it now. It exists, now I need to work around it.