you would use .NET's Enterprise Services, which is the .NET wrapper to COM . However, I will not be covering Enterprise Services in this book. If you need some information on transactional programming, I suggest Tim Ewald's excellent book,
Transactional COM Programming, Or His MSDN Article, "Com Integration: How .Net Enterprise Services Can Help You Build Distributed Applications," Found AT
MSDN.Microsoft.com/msdnmag/issues/01/10/complus/complus.asp.