March 2000
Intermediate to advanced
576 pages
18h 13m
English
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Chapter 1. Delphi Pascal
Delphi Pascal is an object-oriented extension of traditional Pascal. It is not quite a proper superset of ISO standard Pascal, but if you remember Pascal from your school days, you will easily pick up Delphi’s extensions. Delphi is not just a fancy Pascal, though. Delphi adds powerful object-oriented features, without making the language too complicated. Delphi has classes and objects, exception handling, multithreaded programming, modular programming, dynamic and static linking, OLE automation, and much, much more.
This chapter describes Delphi’s extensions to Pascal. You should already be familiar with traditional Pascal or one of the other popular extensions to Pascal, such as Object Pascal. If you already know Borland’s Object Pascal from the Turbo Pascal products, you will need to learn a new object model (detailed in Chapter 2 ), plus other new features.
Borland uses the name “Object Pascal” to refer to Delphi’s programming language, but many other languages use the same name, which results in confusion. This book uses the name “Delphi Pascal” to refer to the Delphi programming language, leaving Object Pascal for the many other object-oriented variations of Pascal.
Units
Delphi Pascal is a modular programming language, and the basic module is called a unit. To compile and link a Delphi program, you need a program source file and any number of additional units in source or object form. The program source file is usually called a project source file because ...
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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.