Visual C# 2005 demystified

354 Pages·2006·18.825 MB·English

by  Jeffrey A Kent

VISUAL C#82005
DEMYSTIFIED
JEFF KENT
McGraw-Hill
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DOI: 10.1036/0072261706
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I would like to dedicate this book to the two most
important women in my life, my mom, Beatrice
Baumgarten Kent, who gave up her career as
a chemist for the even more important career of
a mom; and my wife, Devvie Schneider Kent, who,
in addition to being my best friend and lover, also
is the #1 expert in C# at our home.
ABOUT THE AUTHOR
Jeff Kent is an Associate Professor of Computer Science at Los Angeles Valley
College in Valley Glen, California. He teaches a number of programming languages,
including C#, Visual Basic, C++, Java, and—when he's feeling masochistic—
Assembler. He also manages a network for a Los Angeles law firm whose employees
are guinea pigs for his applications, and as an attorney gives advice to young
attorneys whether they want to hear it or not. He also has written several books on
computer programming, recently Visual Basic.NET: A Beginner's Guide and C++
Demystified for McGraw-Hill, and wrote Visual Basic 2005 Demy stifled concurrently
with this book.
Jeff has had a varied career—or careers. He graduated from UCLA with a Bachelor
of Science degree in economics and then went on to obtain a Juris Doctor degree
from Loyola (Los Angeles) School of Law and to practice law. During this time,
when personal computers were still a gleam in Bill Gates's eye, Jeff was also
a professional chess master, earning a third place finish in the United States Under-21
Championship and, later, an international title.
Jeff does find time to spend with his wife, Devvie, which is not difficult since she
is also a computer science professor at Valley College. In addition to his other
career pursuits, he has a part-time job as personal chauffeur for his teenage daughter
Emily (his older daughter Elise now has her own driver's license), and what little
spare time he has, he enjoys watching international chess tournaments on the
Internet. His goal is to resume running marathons, since otherwise, given his losing
battle to lose weight, his next book may be Sumo Wrestling Demystified.
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CONTENTS
Acknowledgments xv
Introduction xvii
CHAPTER 1 Getting Started with Your First
Windows Program 1
Obtaining and Installing Visual C# 2005 2
System Requirements 2
Choosing the Right Version 3
Installing Visual C# 2005 4
Starting Your First Visual C# 2005 Project 4
Starting the Program 5
Specifying the Type of New Project 6
Specifying the Name and Location
of the Project 7
Integrated Development Environment (IDE) 8
Run the Project! 9
What Is a Computer Program? 11
What Is a Programming Language? 13
Translating the Code for the Computer 14
Conclusion 14
Quiz 15
v
Visual C# 2005 Demystified
VI
CHAPTER 2 Writing Your First Code 17
Starting an Existing Project 18
Design View and Code View 20
Object Browser 20
Classes and Objects 25
Inherits 25
Namespaces 25
.NET Framework 26
Properties 27
Properties Window 27
Changing Properties at Design Time 28
What Is a Windows Application? 29
Windows Applications Are Gooey 30
Windows Applications Are Event-Driven 33
Classes Have Events 34
Creating an Event Procedure 34
Creating an Event Procedure Stub 35
Writing Code Inside the Event Procedure 37
Conclusion 40
Quiz 41
CHAPTER 3 Controls 43
Adding Controls to the Form 44
Toolbox 44
Copying a Control from the Toolbox
to the Form 45
Changing the Control's Location 47
Changing the Control's Size 49
Important Label Properties 50
Text Property 50
Name Property 51
The Label Control in Action 52
Mouse Coordinates 52
Creating the Application 53
CONTENTS
Vll
How the Code Works 54
Using Event Procedure Parameters 56
What If You Type the Wrong Code? 56
ToString Method 58
Delegate 59
Conclusion 60
Quiz 61
CHAPTER 4 Storing Information—Data Types
and Variables 63
Data Types 64
Numeric Data Types 65
Text Data Types 65
Data Types of Visual C# Properties 66
Variables 68
Declaring a Variable 68
Where Do I Declare a Variable? 71
Constants 74
Declaring a Constant 75
Why Use Constants? 76
Conclusion 77
Quiz 78
CHAPTER 5 Letting the Program Do the Math—
Arithmetic Operators 79
Arithmetic Operators 80
The Addition Operator 80
The Subtraction Operator 81
The Multiplication Operator 81
The Division Operators 81
Operator Precedence 82
Combining Arithmetic
and Assignment Operators 83
Increment and Decrement Operators 84
Visual C# 2005 Demystified
viii
The Parse Method 85
Class Methods 86
Change Machine Project 86
Creating the Project 87
The Algorithm 89
Conclusion 91
Quiz 92
CHAPTER 6 Making Comparisons—Comparison
and Logical Operators 93
Debugging 94
Comparison Operators 96
Numeric Comparison Operators 96
String Comparisons 98
Precedence 99
Logical Operators 99
The && Operator 100
The & Operator 101
The || Operator 101
The | Operator 102
The A Operator 102
The ! Operator 103
Precedence 104
Why && and || in Addition to & and 104
Conclusion 105
Quiz 105
CHAPTER 7 Making Choices—if and switch
Control Structures 107
Creating a Test Project 108
The if Control Structure 108
The if Statement 109
The if ... else Statement 113
The if ... else if Statement 116