a0077 c sharp 3 0 200 morebook vn 3443

Abolrous 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 permi

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

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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.,

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To Camelia, my love and my wife.

This page intentionally left blank.

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

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

Index | 405

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