Citect Filemap


I have an existing CITECT 6.0 system. I need to connect it with some smart flow meters which don't talk any known protocol. So, I developed a Visual Basic 6 app to communicate with them, named accucom.

My problem is to share data between Accucom (VB6 app) and CITECT. Actual Citect system has similar solution (I didnt develop) they solved making their own filemap.dll to share memory between custom visual app and Citect.

Has any one done that? Or what do you suggest me to do to solve this problem?

I am very new to Citect.