July 2003
Intermediate to advanced
736 pages
16h 35m
English
Content preview from Visual Basic® .NET Power Coding
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Implementing Event Handlers
Windows is an event-based, or messaging, operating system. This means that Windows applications communicate by sending messages to controls that have Windows handles, and controls that have Windows handles can forward messages to constituent controls.
NOTEEvent-driven operating systems date back at least to the 1970s, when they were used at Xerox's Palo Alto Research Center (PARC). The evolution of messaging, events, and event handlers was adopted more recently in microcomputer programming languages. (On reflection, I recall using callback functions, an essential precursor to event handlers, in C++ and Turbo Pascal as early as 1992.) A good book by Freiberger and Swaine [1984], Fire in the Valley: The Making of the ... |
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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.