a0077 c sharp 3 0 200 morebook vn 3443

Learn C#
Includes the C# 3.0 Features

Sam A. Abolrous

Wordware Publishing, Inc.


Library of Congress Cataloging-in-Publication Data
Abolrous, Sam A.
Learn C# / by Sam A. Abolrous.
p. cm.
Includes index.
ISBN-13: 978-1-59822-035-3 (pbk.)
ISBN-10: 1-59822-035-7
1. C# (Computer program language) I. Title.
QA76.73.C154A416 2007
005.13'3--dc22

2007024261

© 2008, Wordware Publishing, Inc.
All Rights Reserved
1100 Summit Avenue, Suite 102
Plano, Texas 75074

No part of this book may be reproduced in any form or by any means
without permission in writing from Wordware Publishing, Inc.
Printed in the United States of America

ISBN-13: 978-1-59822-035-3
ISBN-10: 1-59822-035-7
10 9 8 7 6 5 4 3 2 1
0708

All brand names and product names mentioned in this book are trademarks or service marks of their
respective companies. Any omission or misuse (of any kind) of service marks or trademarks should not be
regarded as intent to infringe on the property of others. The publisher recognizes and respects all marks
used by companies, manufacturers, and developers as a means to distinguish their products.
This book is sold as is, without warranty of any kind, either express or implied, respecting the contents of
this book and any disks or programs that may accompany it, including but not limited to implied warranties
for the book’s quality, performance, merchantability, or fitness for any particular purpose. Neither
Wordware Publishing, Inc. nor its dealers or distributors shall be liable to the purchaser or any other person
or entity with respect to any liability, loss, or damage caused or alleged to have been caused directly or
indirectly by this book.

All inquiries for volume purchases of this book should be addressed to Wordware Publishing, Inc.,
at the above address. Telephone inquiries may be made by calling:
(972) 423-0090


To Camelia, my love and my wife.


This page intentionally left blank.


Index

Swap method, 141-142

using, 295-296
switch construct, 71-74
System.Array class, 85
System.Attribute class, 167
System.Collections.Generic namespace, 276
System.Exception class, 193
System.GC.Collect method, 5
System.Nullable structure, 54
T
target elements, 167
text files,
appending, 206
reading, 205
writing, 206
this keyword, 115, 148, 339
throw keyword, 84, 193-194, 214
ToString method, 23
overriding, 152-153
try-catch statement, 193
using, 197-199
try-catch-finally statement, 194
using, 210-211
try-finally statement, 194
using, 208-209
two-dimensional arrays, 84, 86
type argument, 276, 292
type conversion, 46-47
explicit, 47
implicit, 46
type parameter, 276, 292

types, 3
anonymous, 340-344
concrete, 276
converting, 46-47
generic, 276
initializing, 334-336
nullable, 53
retrieving, 43
testing, 182-185
using default, 297
U
unary operators, 40
unboxing, 35-37
unions, emulating, 172-173
unsafe code, 31
user-defined exceptions, 212-213
using directive, 21

| 405

V
value keyword, 106
Value property, 54
value types, 31, 33
converting to reference types, 35-37
default values of, 34
var keyword, 331
variables,
captured, 229
initializing, 23, 33-34

local, 22-23
numeric, 23
outer, 229-230
range, 351
versioning, 186-189
virtual keyword, 130-131
virtual methods, overriding, 132-136
Visual Studio,
Code Editor, 323-328
compiling applications in, 312
Error List window, 311
installing, 331
opening existing application in, 313
Properties window, 311
Solution Explorer, 309-310
Start Page, 305-306
starting application in, 306-307
using, 12
void type, 19
W
web site applications, 320-321
creating, 321-322
executing, 322
where keyword, 297-298
while loop, 80-81
do-while loop, 83
Windows applications,
creating, 316-318
running, 318-319
using multiple forms in, 319

Write method, 20
WriteLine method, 20, 23-24
using, 49-52
X
XML tags, adding to code, 28-29
Y
yield return statement, 269-270, 272
yield statement, 271


Looking for more?
Check out Wordware’s market-leading
Applications Library featuring the following titles.

Essential LightWave v9

1-59822-024-1 • $49.95
6 x 9 • 992 pp.

Advanced SQL Functions in
Oracle 10g
1-59822-021-7 • $36.95
6 x 9 • 416 pp.

Camtasia Studio 4: The
Definitive Guide

1-59822-037-3 • $39.95
6 x 9 • 600 pp.

LightWave v9 Texturing

1-59822-029-2 • $44.95
6 x 9 • 648 pp.

SQL for Microsoft Access

1-55622-092-8 • $39.95
6 x 9 • 360 pp.

Introduction to Game Programming with C++
1-59822-032-2 • $44.95
6 x 9 • 392 pp.

LightWave v9 Lighting

Managing Virtual Teams:

Microsoft Excel Functions

1-59822-028-4 • $29.95
6 x 9 • 400 pp.

6 x 9 • 416 pp.

Word 2003 Document Automation with VBA, XML, XSLT
and Smart Documents

Access 2003 Programming
by Example with VBA,

XML, and ASP

Excel 2003 VBA Programming
with XML and ASP

FileMaker Web Publishing:

FileMaker Pro Business
Applications

Learn FileMaker Pro 9

1-59822-039-X • $44.95
6 x 9 • 616 pp.

1-55622-086-3 • $36.95
6 x 9 • 464 pp.

A Complete Guide to Using
the API for PHP

1-59822-041-1 • $49.95
6 x 9 • 472 pp.

Getting the Most From Wikis, Blogs, & Formulas
and Other Collaborative Tools
1-59822-011-X • $29.95

1-55622-223-8 • $39.95
6 x 9 • 704 pp.

1-59822-014-4 • $49.95
6 x 9 • 648 pp.

www.wordware.com

1-55622-225-4 • $36.95
6 x 9 • 968 pp.

1-59822-046-2 • $39.95
6 x 9 • 550 pp.

Visit us online at
for more information.
Use the following coupon code for online specials: csharp0357