... database field for over 16 years, and with Visual Basic,
SQL Server, and Microsoft Access for the last 14 years. Scott is a Microsoft MVP and holds a Bachelor of
Science in Computer Science. Scott worked ... languages such as Visual Basic.NET
and Visual C# .
With the .NET platform, the playing field has been leveled out forVisual Basic and C# so that developers
can choose which language they are comfortable ... Introduction and Concepts introduces various programming concepts, as well as takes you
through the Visual C# Express environment. Also covered are some of the base commands and concepts
of the C# ...
... iv
Contents
About the Author v
Acknowledgments ix
Introduction xix
Part I: Introduction and Concepts 1
Chapter 1: Starting Strong with Visual C# 2005 ExpressEdition 3
What Is Microsoft Visual C# ... holds a Bachelor of
Science in Computer Science. Scott worked at Microsoft for two years as a member of the Microsoft
Access and FoxPro teams. After leaving Microsoft, he started his own company, ... software
languages created. However, punch-card technology was used as far back as the 1800s. With this tech-
nology, holes punched in each card told the computer specific commands based on their locations...
... CharacterCasing property can be set to force all text to be lowercase,
uppercase, or mixed.
ContextMenuStrip
You can add context menu controls to your form from the Toolbox. A particu-
lar context ... Functions 80
Understanding Scope 81
When variables are local 82
Public: The greatest scope of all 84
Scoping procedures 85
Visual Basic 2005 ExpressEditionFor Dummies
xiv
02_597051 ftoc.qxd ... into a PictureBox in a
cookbook application, let users click a location on the map, and then display a
list of recipes typical to the locale that was clicked. (The x and y coordinates
for the...
... CharacterCasing property can be set to force all text to be lowercase,
uppercase, or mixed.
ContextMenuStrip
You can add context menu controls to your form from the Toolbox. A particu-
lar context ... Author
Richard Mansfield’s recent titles include Office 2003 Application Development
All-in-One Desk Reference For Dummies, CSS Web Design For Dummies, Visual
Basic .NET Weekend Crash Course, Visual ... the various scope decla-
ration keywords:
friend, public, and so on. This specifies which categories
of other objects can communicate with the control. For details about scoping,
see Chapter 5.
MinimumSize
Same...
... and practice them daily. You need to
work through the examples and exercises in this book, more than once if necessary, to become
comfortable with each concept and proficient in their execution.
Just ... the more advanced features of the Android platform, as it continues to expand
to encompass applications development for emerging consumer electronics platforms such as
interactive television ... application visuals are concerned.
www.it-ebooks.info
32 CHAPTER 3: Setting Up Your Android Development Environment
Once these nine options are all checked and selected for installation, click...
... following manner:
ߜ Active check box: Choosing the check box identifies the account as
Active. Clearing the check box makes the account inactive (though does
not remove the account from the database).
ߜ ... more colors to choose from. You can choose any color from any tab just
by clicking the color, and then clicking the OK button in the Color Picture
dialog box.
When you click OK, the Color Picker ... they’re obscure) deserve very little attention. For exam-
ple, a Warning icon points out places where being careless could cause real
problems, whereas a Technical Stuff icon points out facts nice to...
...
shows the ASCII table of characters. Because 1 byte can represent 256 characters, this
works well for Western characters. For example, hexadecimal 20 represents a space.
Hexadecimal 7D represents ... where the code is executed. Eventually, some condition is
reached that causes isTrue to become FALSE. After completing all the code in the loop
body, the condition (isTrue) is checked once more, ... and Instances in Alice
A group of objects with the same properties and same methods (actions) are called a
class. For example, we could have a class called Airplane. In this class, we could have...
... to type special characters, such as the tab character or quotation marks, to the
screen or force a carriage return at a specific place. Take a look at the program in Figure 1.15,
which illustrates ... 102
Adding a Constructor to the Critter Class 103
Creating the CritViewer Class 104
Reviewing the Static Keyword 105
Calling a Constructor from the Main() Method 106
Examining CritViewer’s Constructor ... Inheritance to Make New Classes 111
Creating a Class to View the Clone 112
Creating the Critter Class 113
Improving an Existing Class 113
Introducing the Glitter Critter 114
Calling the Base Class’s Constructors...
...
07020000002400005253413200040000010001002b4ef 3c2 bbd6478802b64d0dd3f2e 7c6 5ee
6478802b63cb894a782f3a1adbb46d3ee5ec5577e7dccc818937e964cbe99 7c1 207 6c1 9f2d7
ad179f15f7dccca 6c6 b72a
Public key token is 2a1d3326445fc02a
The public key ... to compile
the HelloWorld.cs source file (from recipe 1-1) if the ConsoleUtils class is contained in the
ConsoleUtils.dll library, use the command csc /reference:ConsoleUtils.dll HelloWorld.cs. ... which it runs, you can build runtime checks into the logic of your code that trigger
the variations in operation. However, such an approach can bloat your code and affect performance,
especially...
...
The Connection Class 283
Connection Strings 283
Testing a Connection 286
Connection Pooling 287
The Command and DataReader Classes 289
Command Basics 290
The DataReader Class 291
The ExecuteReader() ... Freeman,
Co-Author of
Introducing Visual C# 2010
Pro .NET 4 Parallel
Programming in C#
Pro LINQ: Language
Integrated Query in C#
2010
Visual C# 2010 Recipes
Programming .NET Security
Microsoft ... an object goes out of scope
(or your application ends), the object becomes available for garbage collection. The garbage
collector runs periodically inside the CLR, automatically reclaiming...
... reference guide to the 2010 release of Visual Basic.
The tutorial provides basic material suitable forbeginners but also includes in-depth content for more advanced developers.
BEGINNING
Visual C# ... Programming
CHAPTER 9: Defining Classes
CHAPTER 10: Defining Class Members
CHAPTER 11: Collections, Comparisons, and Conversions
CHAPTER 12: Generics
CHAPTER 13: Additional OOP Techniques
CHAPTER ... unmanaged, and certain
languages such as C+ + can be used to write such applications, which, for example, access low-level
functions of the operating system. However, in C# you can write only code that...
... JIT compiler is highly optimized for compiling CIL code into highly
efficient object code, runs on demand, and caches the compiled code for future use.
Memory Management and Garbage Collection
Proper ... provide logic for either of the accessors, you need to add a back-
ing field and the appropriate logic to both accessors.
Fortunately, this change doesn’t affect the public interface of your class, ... deployment and
reduces the chances of version conflicts.
www.it-ebooks.info
ptg
72
HOUR 3: Understanding Classes and Objects the C# Way
Watch
Out!
In fact, the compiler transforms the code shown in...
... Learn Microsoft Visual C# 2010
Note The content of the Properties window reects the object you select. The contents will
change when you select a form instead of a speci c control. Each control ... least some code to create most applications.
Of course, before you can create a C# application, you need some sort of tool to create it with.
(Technically, you could write an application using ... is right-click objects, which
then typically display a shortcut menu. Visual Studio’s shortcut menus contain all sorts of helpful
items and actions. For example, if you right-click a form in...
... practice them daily. You need to work
through the examples and exercises in this book, more than once if necessary to become
comfortable with each concept.
Just because you understand a concept ... described in this chapter, you need
to be connected to the Internet.
Follow these steps to perform the installation:
1. Click the Eclipse Quick Launch bar icon to start Eclipse.
2. Accept ... applications to wirelessly connect with any
Bluetooth device, and even provide for multiple connections.
We’ll cover the concept of creating app widgets, or miniature applications that can be...