But this has nothing to do with the PJX right. So essentially we end up with class libs for different purposes which are subclassed at the time of project creation and from then on the modifications made to the subclasslib are project specific?

>>Thanks Hilmar. Actually I have a requirement where even though clients want one or both, there are customization to the screens & reports which is something only they like. I such a case I was hoping to develop a basic application for all and start from there when a job arrived.
>>
>>Any suggestion, first hand experience in such a case?
>
>No first hand experience. I suspect that in this case, you have to subclass, after all, as you originally suggested.
>
>This would require you creating two main folders: one for the "generic" project, one for a specific client.
>
>In the folder for the specific client (or specific configuration), you have to subclass all your classes, one by one.
>
>This will be a lot of work at the beginning, but I don't see any other way. And once you did this, you can make global changes (that affect all clients, through inheritance), and others that affect only a single client.
>
>I understand that the CodeBook Framework uses this basic principle for a slightly different purpose.