Component technologies

COM and DCOM
COM and DCOM are the two new protocols that replace OLE and Remote Automation as MS' object sharing models.
Interfaces
Since Visual Basic 5.0, programmers have been able to define and implement interfaces. But what are they, and how can they be used in the daily programming routine?
Microsoft Transaction Server
Issues regarding MTS and how to develop components for it.
OLE
OLE was a rapidly growing area until Microsoft came up with COM. Today, OLE is a subset of COM, and is used only as an application object interchange interface.