INTRODUCTION
SO YOU WANT to learn Visual C# programming? Excellent choice!
Visual C# is a powerful, all-purpose programming language that lets you build robust applications
that run on the desktop or over the Web. Visual C# provides all of the tools that you need to build a
huge variety of applications such as:
Database applications
Point of sales systems
Web applications
Two- and three-dimensional graphics programs
Image processing and photo manipulation systems
Computer-aided design (CAD) systems
Document layout and printing systems
Hardware control systems
High-performance games
Much, much more
In case you ever need to mention it at parties, C# is pronounced “see sharp.”
It’s written C# because the number sign (#) is the closest most keyboards can
get to the musical sharp symbol (
I
).
Of course there are some problems that you won’t be able to solve even with Visual C#. If you want a
program that picks the winning number on a roulette wheel or that can predict stock prices, you may
have better luck using tarot cards (or a degree in economics), but for tractable problems Visual C# is
a great choice.
This book is a self-paced guide to Visual C# programming in the Visual Studio environment. It uses
short, easy-to-follow lessons, reinforced by step-by-step instructions, screencasts, and supplemental
exercises to help you master Visual C# programming quickly and painlessly. It explains how to write
Visual C# programs that interact with the user to read inputs, calculate results, and display outputs.
It shows how to read and write files, make printouts, and use databases.
This book won’t make you an expert, but it will give you a solid understanding of how to write
Visual C# programs. When you’ve finished reading this book and working through the Try It sec-
tions, you’ll be able to write non-trivial programs of your own. You may not be able to accurately
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