Written by a leading COM authority, this unique book reveals the essence of COM, helping developers to truly understand the why, not just the how, of COM. Understanding the motivation for the design of COM and its distributed aspects is critical for developers who wish to go beyond simplistic applications of COM and become truly effective COM programmers, and to stay current with extensions, such as Microsoft Transaction Server and COM+. Box examines COM from the perspective of a C++ developer, offering a familiar frame of reference to ease you into the topic.