>Hi Fred,
>it comes up with "Column" as expected. the ClassLibray holds the prg file.
>
>Anyway the problem was on a strange use of the name property, see message#787207.
>
>Thank yu for your help.
>
>Agnes
>>What does the ParentClass property show?

You did see this note in the Help for Member Classes, right?

"Caution Do not change the Name property for a member class in a program (.prg) -based class definition at design time. Doing so can result in generating the message, "Class definition name is not found.""