The other way should work as it does in VFP8.

BTW, if you create a seperate .PRG for the header class and set the HeaderClass/HeaderClassLib properties in the column.prg, it still fails.

>if Header and column .PRG file it is the same, then use this:
>
>

>DEFINE CLASS grctest AS Column
>       ADD OBJECT grhtest1 AS grhtest
>ENDDEFINE
>
>DEFINE CLASS grhtest AS Header
>ENDDEFINE
>