September 2002
Intermediate to advanced
496 pages
10h
English
Content preview from Programming PERL in the .NET EnvironmentBecome 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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Events Handling
One of the most important aspects of GUI applications is interaction with the user. Windows Forms implement it through an event-handling mechanism. We refer to applications that employ such mechanism as event-driven. In the case of a GUI, the user issues the events. He or she may move the mouse pointer over the window and click somewhere in the client area. Our task is to provide the code, which will run in response to these events and perform appropriate tasks.
Windows Forms employ the .NET event model, which uses delegates that we discussed in Chapter 13. Using delegates, we bind events to the methods that handle them. The Windows Forms classes use multicast delegates. This means that we may bind the delegate to more than one ...
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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.