Programming Microsoft Visual Basic 6.0 Review

Programming Microsoft  Visual Basic  6.0
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Programming Microsoft Visual Basic 6.0 ReviewMaybe my first review was too technical, so I'm trying again.
It is clear from the positive reviews that this book is a success for an audience of fairly advanced VB programmers. Those of us that are less advanced (I'm a beginner) might question whether the book will suit our needs, or if we are going to have the " two-star review" experience.
An example might help you decide. On p. 178 the author describes an example of an "array of arrays" using an appointment calendar with appointments stored in the array of arrays named "apps(day)". As part of the code, the statement appears:
If IsEmpty(apps(day)) Then
According to the on-line help, the IsEmpty function will always evaluate as false unless apps(day) is an empty variant. (Do you know this? If not, you won't understand how the If-statement works. The author doesn't explain, so you'll have to figure it out.) But apps(day) is an array of arrays; can it be an empty variant? The above If-statement works if:
apps(day) = Empty
which you might deduce as what the author is thinking, but if instead the reader imagines that
apps(day) = Array(Empty)
then the "IsEmpty" line must be changed to
If IsEmpty(apps(day)(0)) Then
(What do you know about array notation? The author mentions it, but not in the context of this code.) The author never spells out the constituent elements of apps(day), so the specifics are the reader's guess.
What does all this have to do with evaluating the book? The above example is not unusual. If you are happy to read at an abstract level, the gist of the examples is interesting and clear. However, if you want to implement the author's ideas using his code, his elliptical approach has gaps and ambiguities. He doesn't dwell on VB details. Depending on your background in VB, this fill-in and clarification can require a lot of head-scratching.
Bottom line: as a stimulus to imagination, definitely go ahead. As practical coding advice, be prepared to fuss.Programming Microsoft Visual Basic 6.0 Overview
Create professional-quality applications, components, and user interfaces faster and more efficiently than ever with the powerful object-oriented programming capabilities in the Visual Basic 6.0 development system. From Windows® common controls to data access, Internet, and ActiveX® programming, this book covers core development topics for version 6.0-providing insightful explanations and expertly rendered examples for rapid acceleration of your Win32® productivity.

Expedite development with the object-oriented capabilities in Visual Basic 6.0-including events, polymorphism, and object hierarchies
Develop great user interfaces that use the full range of controls in Visual Basic and take advantage of OLE drag and drop, data-driven forms, and advanced Windows API techniques
Build datacentric solutions using ActiveX Data Objects (ADO) 2.0 and 2.1, the DataEnvironment designer, and RDS components for remote activation over the Internet
Master ActiveX technology to create controls, learning advanced techniques such as COM callbacks, multithreaded components and applications, and windowless ActiveX controls
Deploy rich, Web-ready components and applications with Dynamic HTML (DHTML) and Microsoft Internet Information Server

An electronic version of this book is available on the companion CD.

A Note Regarding the CD or DVD

The print version of this book ships with a CD or DVD. For those customers purchasing one of the digital formats in which this book is available, we are pleased to offer the CD/DVD content as a free download via O'Reilly Media's Digital Distribution services. To download this content, please visit O'Reilly's web site, search for the title of this book to find its catalog page, and click on the link below the cover image (Examples, Companion Content, or Practice Files). Note that while we provide as much of the media content as we are able via free download, we are sometimes limited by licensing restrictions. Please direct any questions or concerns to booktech@oreilly.com.


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