>>>>The Form interfaces can go in the project that contains the form (base) classes
>>>>
>>>>I would not keep all interfaces in one project
>>>
>>>Gregory,
>>>
>>>First, thank you for your suggestion. But it is a little confusing. In the first sentence you say "not to put each set of interfaces in a separate project" And then you say "would not keep all interfaces in one project". These are (IMO) to contradicting statements, no?
>>
>>I see no contradiction. Put interfaces related to the Forms into Forms project. Interfaces related to DAL into DAL poroject.
>
>I was referring to his first sentence:
>"I do not think that each set of interfaces have to go in a separate project/ assembly"

I still see no contradiction - to me this statement is clear as to put interfaces in the same project as other related stuff. But let Gregory to explain himself.