OReilly.Head.First.C.Sharp.Nov.2007.pdf

Head First C#

by Andrew Stellman and Jennifer Greene

Printed in the United States of America.

Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.

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Series Creators:

Kathy Sierra, Bert Bates

Series Editor:

Brett D. McLaughlin

Design Editor:

Louise Barr

Cover Designers:

Louise Barr, Steve Fehler

Production Editor:

Sanders Kleinfeld

Proofreader:

Colleen Gorman

Indexer:

Julie Hawks

Page Viewers:

Quentin the whippet and Tequila the pomeranian

Printing History:

November 2007: First Edition.

The O’Reilly logo is a registered trademark of O’Reilly Media, Inc. The Head First series designations,

Head First C# , and related trade dress are trademarks of O’Reilly Media, Inc.

Microsoft, Windows, Visual Studio, MSDN, the .NET logo, Visual Basic and Visual C# are registered

trademarks of Microsoft Corporation.

Many of the designations used by manufacturers and sellers to distinguish their products are claimed as

trademarks. Where those designations appear in this book, and O’Reilly Media, Inc., was aware of a trademark

claim, the designations have been printed in caps or initial caps.

While every precaution has been taken in the preparation of this book, the publisher and the authors assume no

responsibility for errors or omissions, or for damages resulting from the use of the information contained herein.

No bees, space aliens, or comic book heroes were harmed in the making of this book.

ISBN-10: 0-596-51482-4

ISBN-13: 978-0-596-51482-2

[M]

table of contents

Table of Contents (Summary)

Intro

xxix

Get productive with C#: Visual Applications, in 10 minutes or less

It’s All Just Code: Under the hood

Objects Get Oriented: Making code make sense

Types and References: It’s 10:00. Do you know where your data is?

123

C# Lab 1: A Day at the Races

163

Encapsulation: Keep your privates… private

173

Inheritance: Your object’s family tree

205

Interfaces and abstract classes: Making classes keep their promises

251

enums and collections: Storing lots of data

309

C# Lab 2: The Quest

363

Reading and writing files: Save the byte array, save the world

385

Exception handling: Putting Out Fires Gets Old

439

events and delegates: What Your Code Does When You’re Not Looking

483

Review and preview: Knowledge, Power, and Building Cool Stuff

515

Controls and graphics: Make it pretty

563

Captain Amazing: The Death of the Object

621

LINQ: Get control of your data

653

C# Lab 3: Invaders

681

Table of Contents (the real thing)

Intro

Your brain on C#. You’re sitting around trying to learn something, but

your brain keeps telling you all that learning isn’t important . Your brain’s saying,

“Better leave room for more important things, like which wild animals to avoid and

whether nude archery is a bad idea.” So how do you trick your brain into thinking

that your life really depends on learning C#?

Who is this book for?

xxx

We know what you’re thinking

xxxi

Metacognition

xxxiii

Bend your brain into submission

xxxv

What you need for this book

xxxvi

Read me

xxxii

The technical review team

xxxiv

Acknowledgments

xxxv

table of contents

get productive with C#

1 Want to build great programs really fast?

With C#, you’ve got a powerful programming language and a valuable tool

at your fingertips. With the Visual Studio IDE , you’ll never have to spend hours

writing obscure code to get a button working again. Even better, you’ll be able

to focus on getting your work done , rather than remembering which method

parameter was for the name for a button, and which one was for its label .

Sound appealing? Turn the page, and let’s get programming.

Why you should learn C# 2

C# and the Visual Studio IDE make lots of things easy 3

Help the CEO go paperless 4

Get to know your users’ needs before you startbuilding your program 5

Here’s what you’re going to build

What you do in Visual Studio…

What Visual Studio does for you…

Develop the user interface

Visual Studio, behind the scenes

Add to the auto-generated code

You can already run your application

We need a database to store our information

Creating the table for the Contact List

The blanks on contact card are columns in our People table

Finish building the table

Diagram your data so your application can access it

Insert your card data into the database

Connect your form to your database objects with a data source

Add database-driven controls to your form

Good apps are intuitive to use

How to turn YOUR application into EVERYONE’S application

Give your users the application

You’re NOT done: test your installation

You built a complete data-driven application

Visual Applications, in 10 minutes or less

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