Are you sure that form's BASE CLASS property changed? (If you create a form based on the class, then you will not see class codes in the form methods.)
Do those two base classes have the same name?

>Intermittanly a Form Class I am working on keeps switching base class upon compile. This happens about twice a day. I then have to hack the VCX to switch back to the proper class.
>
>VFP 7.0 SP1
>Win2k
>The project is attached to VSS.
>
>I have packed VCX. There is nothing in the VCX in other forms that have anything to do with the base form I am switching to
>
>The way I notice this is that the base class I want to use has a method thast is not in the base class the form keeps switching to.
>
>Thanks for any ideas.