Téléchargement PDF BEGINNING ATL COM PROGRAMMING, by Richard Grimes
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BEGINNING ATL COM PROGRAMMING, by Richard Grimes
Téléchargement PDF BEGINNING ATL COM PROGRAMMING, by Richard Grimes
BEGINNING ATL COM PROGRAMMING, By Richard Grimes . En entreprenant cette vie, de nombreuses personnes tentent constamment de faire et d' obtenir le meilleur. Une nouvelle compréhension, la rencontre, la leçon, ainsi que tout ce qui pourrait améliorer la vie sera fait. Néanmoins, beaucoup de gens se sentent souvent vraiment perplexes pour obtenir ces points. Sentiment vraiment limité de l' expérience et des sources d'être mieux est parmi les manque d'avoir. Néanmoins, il y a un point très basique qui pourrait être fait. C'est ce que votre instructeur manœuvres toujours vous faire celui - ci. Oui, la lecture est la réponse. L' examen d' un livre comme cela BEGINNING ATL COM PROGRAMMING, By Richard Grimes ainsi que d'autres références pourraient enrichir votre vie de haute qualité. Exactement comment peut - il être?
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Détails sur le produit
Broché: 512 pages
Editeur : Wrox; Édition : 01 (1 mars 1998)
Collection : Beginning S.
Langue : Anglais
ISBN-10: 1861000111
ISBN-13: 978-1861000118
Dimensions du produit:
3,2 x 19 x 24,1 cm
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I picked this up because there isn't any good ATL/COM introduction on the internet. Some of the design principals are antiquated, but it helped my get up to speed in a short amount of time.
This book gives a serious coverage of ATL COM that will repay readers' efforts. It's far from easy, and the organization could be improved in places. For example, I'm one of those people who absolutely has to know what's going on "under the hood", but the implementation details come a little early (in Chapter 1). Had to experiment with the order of interface entries in the idl file and think a lot about vtables, interface pointer casting, multiple inheritance, and so on before I began to understand what Chap. 1 is all about. Some more explanation at judicious places in Chap. 1 would be helpful.To get the most out of this book, download the code from Wrox and fool around with it. This book really covers the nitty gritty of developing ATL COM projects from scratch. Marshaling, threading, connectable objects, persistence are discussed, and a full control is built in Chap. 8.For some reason, perhaps because the word "beginning" appears in the title, Wrox ranks this book below Professional MFC in difficulty (see the flow chart on the back cover of the book). Actually, it's quite advanced and belongs at the top of the hierarchy. I think it's more detailed and difficult (but also more rewarding) than other books on the subject.
This book was one of the best that I have read on a particulartopic...The authors provide a lot of instruction about how to readthe book, recommending, for example, that you read through the chapter before actually attempting the examples. This is, of course, a standard recommendation (which in my experience many readers of technical material do not follow). Following this advice, I found that the authors were correct, and the material was far more understandable.I am NOT a proficient C++ programmer.Yet by the end of the book I was able to create my own bug-free COM server with a full object heirarchy including a collection. I had been unable to understand implementing collections in C++ with other books.My intent was to have a C++ COM server so that I could hook up a VB client and study the interaction of the two at the lowest possible (for me) level. I wanted watch calls to QueryInterface, watch reference counts increment and decrement. I wanted to see how COM objects were intialized and destroyed.I succeeded, thanks to this book. END
I know COM is "where it's at", and I'm trying hard to find out WHY. Namely, why it's good to use 100 lines of code to do what 10 used to do, to say nothing of IDL and ODL compilers. Is COM really a sinister plot to make software development so bizarre and complex that only Microsoft can do it? Anyway, I bought this book looking for enlightenment, and didn't find any. The authors seem enamored with COM theory and terminology, but show no feel for practical use. The example they build (aptly named "Simple") is a trivial stateless object with two properties and NO METHODS! On page 56 they dismiss MFC because it "makes the server too big" and "requires the proper libraries to be loaded" (paraphrased). Welcome to the world of computers, Dr. Grimes! I plowed through the examples, working them on my computer, and finished with about the same level of practical understanding of how and why to use COM as I started with. Part of the problem may have been my going-in attitude toward COM. Anyway, I'm ordering some more titles, and hope for better results next time.
As a VC++ and VB programmer, and the attempted reader of this publication for several months, this book never ceases to amaze me at how thoroughly poor it is in several aspects. I was perplexed by the detail that was covered by the first few chapters - immediately the reader in confronted by implementation details without first explaining the overall concepts. It seems as though the authors, have munged theory, tutorial, and reference together in each chapter, which unfortunately serves only to confuse rather than demystify ATL and COM. Other COM books take different approaches - chapters alternating between theory and practical tutorials. My biggest criticism is that seemingly straightforward concepts are explained to death, whilst the more complicated features are explained extremely poorly.I fear this book has definitely suffered from the 'too many cooks spoiling the broth' scenario. After a while I sought comfort in other COM pulblications for VC++ and VB, both from WROX and SAMS, which proved considerably better.
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