Description of COM Interoperability in .NET Part 1 :
This tutorial explains about .NET types calling DLLs. The co-existance of classic COM and .NET framework is possible through .NET. The author shows how Classic COM could serve in the .NET. This article is useful for the beginners to update the knowledge about the classic COM and the .NET environment. This article clearly explains about calling a raw C DLLs using PInvoke in .NET.