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註釋This book is geared towards the Visual Basic programmer who wants to begin discovering the benefits of Microsoft's Component Object Model (called COM) and how to use COM to build more dynamic applications. COM has traditionally been considered as something that VB programmers don't need to think about too much: VB is supposed to look after all the nitty-gritty of COM, leaving the VB programmer to rapidly develop working business solutions. However, with Microsoft pushing hard on its multi-tiered technologies, more and more people are becoming aware that COM is something important. For any moderately advanced VB programming at all, COM is present - often under the guise of ActiveX. COM underlies most of what is going on in VB. COM is components and objects: and there are hundreds of objects and components even in the basic VB environment. So what's going on? What is COM? Why is it important? What can VB programmers do with COM? For newcomers to COM, this is all a bit mysterious. For competent but relatively non-technical VB professional programmers, the full story of COM is still somewhat disjointed. Meanwhile, a new type of programming consultant is coming into existence: COM desig