Thank you for sharing this. Much appreciated. I am sure it will enhance my current (lack of) understanding!
Barry.
>This goes a lot further than the basics, but the basics are there.
>
>http://msdn.microsoft.com/en-us/library/ms947579.aspx
>
>Or the updated article at http://craigberntson.com/docs/complus.pdf
>
>>I have seen it recommended to base DLL on session class so that it has a separate data session. It seems from what you and Craig are saying that a DLL will always have a separate data session - in which case why is the session class recommended over say the Custom class?
>>
>>Sorry for the rather basic questions - I have not created COM servers in VFP before.
>>
>>Barry