Hi Paul

>>>Just modify the manual to explain the pitfalls of always making changes in that layer and how you might be able to use composition instead. Then leave it up to the individual developer to make the decision they're closest to the problem they're trying to solve. Give me the gun - I'll try to make sure I don't shoot myself in the foot ;-)

I guess I am missing something. Once an i-layer is integrated into the framework, how can I as a developer chose to leave it out of my project?

pamela