>>Barbara,
>>
>>Thank you for your answer.
>>Your solution works for the type of situation where you can handle things with a command. That solves part of our problem because our problem also arises where we drop an object visually on a (f.i.) form. The form is in an excluded library and cannot find the library of the object.
>>
>>Koos.
>
>Is this a form designer for the users? If so, that would be a problem. Sorry, but you've have to exclude the class library in that case too.

Barbara,

No, it is just a form, instantiated as loForm = NEWOBJECT(etc...). But on the class of the form we dropped a busines class from a non-excluded library and when you instantiate the form it cannot find the business class superclass.

Koos.