July 2003
Intermediate to advanced
736 pages
16h 35m
English
Content preview from Visual Basic® .NET Power CodingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Exploring Existing Delegate Types
You will encounter several existing delegates as you continue learning more about VB .NET. It is important to keep in mind that these delegate types are constrained by the procedure signatures used to define them. Determine the signature and you will know the kind of data passed when the delegate is invoked. You can easily rely on the help system to provide you this information on a case-by-case basis.
Rather than try to provide you with a comprehensive list, I will mention two very common delegates here briefly. The first is EventHandler, and the second is PaintEventHandler.
Both EventHandler and PaintEventHandler have a first argument in common, sender, defined as an Object type. The sender argument is usually ...
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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.
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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.