May 2010
Intermediate to advanced
1272 pages
61h 18m
English
Content preview from Visual Basic® 2010 Unleashed
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Constructors’ Inheritance
The previous section discussed the MyBase keyword and how it can be used to access members from a base class. The keyword also has another important purpose, which is about constructors. Consider the following constructor that is implemented within the Person class (that is, the base class) shown in the previous section:
The problem now is in derived classes. The rule is that if you have a constructor receiving arguments in the base class, you do need to provide a constructor receiving arguments also within a derived class, and the constructor needs to invoke the base class. The following code shows how a constructor ...
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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.