Thanks Claudio,
I didn't see the OF PARENT.prg in your first message.
That was just what I was looking for.


>>What's the best way to sub-class a PRG based class?
>
>Hi, Bill.
>
>try something like this:
>
>

>**- Parent.prg
>define class MyParentClass as Session
>enddefine
>

>
>and then:
>
>

>**- Son.prg
>define class MySonClass as MyParentClass of Parent.prg
>enddefine
>

>
>HTH