alas, no (see code below pasted from my command window)
Does it work on your side?

QUIT
modify class awDTElogerror of "c:\program files\vfp9\tools\ab\aw.vcx" && OK
clear all
modify class awFRMlogerror of "c:\program files\vfp9\tools\ab\aw.vcx" && OK
clear all
modify class awDTElogerror of "c:\program files\vfp9\tools\ab\aw.vcx" && KO

>Thierry,
>
>Did you tryied this:
>
>

>&& start VFP IDE
>modify class DTEclass_with_CADclass of some.vcx && OK
>&& close class designer
>CLEAR ALL
>
>modify class formClass_with_DTEclass_with_CADclass of some.vcx && OK
>&& close class designer
>CLEAR ALL
>
>modify class DTEclass_with_CADclass of some.vcx && SHOULD WORK OK
>