May 2009
Intermediate to advanced
1176 pages
25h 8m
English
book
Professional Excel Development: The Definitive Guide to Developing Applications Using Microsoft Excel, VBA, and .NET, Second Edition
by Rob Bovey, Dennis Wallentin, Stephen Bullen, John Green
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Chapter 7. Using Class Modules to Create Objects
Class modules are used to create objects. There are many reasons for you as a developer to create your own objects, including the following:
To encapsulate VBA and Windows API code to make it transportable and easy to use and reuse, as shown in Chapter 12, “Understanding and Using Windows API Calls”
To trap events
To raise events
To create your own objects and object models
In this chapter, we assume you are already familiar with writing VBA code to manipulate the objects in Excel and are familiar with the Excel object model that defines the relationships among those objects. We also assume you are familiar with object properties, methods, and events. If you have written code in the ThisWorkbook module, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.