December 2002
Beginner to intermediate
432 pages
10h 10m
English
Content preview from ADO.NET Programming in Visual Basic™ .NET
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Event Handlers
The next task is to put some code behind the navigation buttons. We could just double-click on each button and then add the code to the click event, but why be normal? I would rather we have all our navigation code in one procedure so we can find it easily. In VB 6 we would have done this with a control array, but VB .NET doesn’t support control arrays. What are we to do?
VB .NET does support something called a delegate. If you’re familiar with C or C++, you know that you can create a function pointer and then call the function through the pointer. A function pointer is a variable that contains the address of the entry point of the function. A VB .NET delegate is similar to a function pointer in C++. It is a reference type that ...
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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.