Teach Yourself Visual C++ 6 in21 Days phần 1 pdf

A Division of Macmillan Computer Publishing
201 West 103rd St., Indianapolis, Indiana, 46290 USA
Davis Chapman
Visual C++
®
6
in
21
Days
Teach Yourself
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Sams Teach Yourself Visual
C++
®
6 in 21 Days
Copyright © 1998 by Sams Publishing
All rights reserved. No part of this book shall be reproduced, stored in a
retrieval system, or transmitted by any means, electronic, mechanical, photo-
copying, recording, or otherwise, without written permission from the pub-
lisher. No patent liability is assumed with respect to the use of the information
contained herein. Although every precaution has been taken in the preparation
of this book, the publisher and author assume no responsibility for errors or
omissions. Neither is any liability assumed for damages resulting from the use
of the information contained herein.
International Standard Book Number: 0-672-31240-9
Library of Congress Catalog Card Number: 98-84508
Printed in the United States of America
First Printing: August, 1998
01 00 99 98 4 3 2 1
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marks have been appropriately capitalized. Sams Publishing cannot attest to
the accuracy of this information. Use of a term in this book should not be
regarded as affecting the validity of any trademark or service mark.
Visual C++ is a registered trademark of Microsoft Corporation.
Warning and Disclaimer
Every effort has been made to make this book as complete and as accurate as
possible, but no warranty or fitness is implied. The information provided is on
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ing from the information contained in this book.
EXECUTIVE EDITOR
Brad Jones
ACQUISITIONS EDITOR
Kelly Marshall
DEVELOPMENT EDITOR
Matt Purcell
MANAGING EDITOR
Jodi Jensen
PROJECT EDITOR
Dana Rhodes Lesh
COPY EDITOR
Kris Simmons
INDEXER
Erika Millen
TECHNICAL EDITOR
Larry Richardson
PRODUCTION
Marcia Deboy
Michael Dietsch
Jennifer Earhart

Cynthia Fields
Susan Geiselman
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Overview
Introduction 1
WEEK 1 AT A GLANCE 5
Day 1 The Visual C++ Development Environment—Building Your First
Visual C++ Application 7
2 Using Controls in Your Application 25
3 Allowing User Interaction—Integrating the Mouse and Keyboard in
Your Application 47
4 Working with Timers 67
5 Getting User Feedback—Adding Dialog Boxes to Your Application 83
6 Creating Menus for Your Application 105
7 Working with Text and Fonts 121
WEEK 1 IN REVIEW 143
W
EEK 2 AT A GLANCE 147
Day 8 Adding Flash—Incorporating Graphics, Drawing, and Bitmaps 149
9 Adding ActiveX Controls to Your Application 179
10 Creating Single Document Interface Applications 199
11 Creating Multiple Document Interface Applications 229
12 Adding Toolbars and Status Bars 243
13 Saving and Restoring Work—File Access 279
14 Retrieving Data from an ODBC Database 315
WEEK 2 IN REVIEW 337
W
EEK 3 AT A GLANCE 341
Day 15 Updating and Adding Database Records Through ADO 343
16 Creating Your Own Classes and Modules 379

17 Sharing Your Functionality with Other Applications—Creating DLLs 405
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18 Doing Multiple Tasks at One Time—Multitasking 429
19 Building Your Own Widgets—Creating ActiveX Controls 473
20 Internet Applications and Network Communications 495
21 Adding Web Browsing Functionality to Your Applications 521
WEEK 3 IN REVIEW 537
A
PPENDIXES 541
A C++ Review 541
B Answers 579
C Printing and Print Previewing 637
D Understanding and Exception Handling 661
E Using the Debugger and Profiler 677
F Using MFC’s Helper Classes 699
Index 731
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Specifying the Control Tab Order 30
Attaching Variables to Your Controls 32
Attaching Functionality to the Controls 33
Closing the Application 36
Showing the User’s Message 37
Clearing the User’s Message 38
Disabling and Hiding the Message Controls 39
Running Another Application 42
Summary 44
Q&A 44
Workshop 45
Quiz 45

Exercises 45
DAY 3ALLOWING USER INTERACTION—INTEGRATING THE MOUSE AND KEYBOARD
IN
YOUR APPLICATION 47
Understanding Mouse Events 48
Drawing with the Mouse 49
Improving the Drawing Program 53
Adding the Finishing Touches 55
Capturing Keyboard Events 56
Changing the Drawing Cursor 57
Making the Change Stick 60
Summary 64
Q&A 64
Workshop 65
Quiz 65
Exercises 65
DAY 4WORKING WITH TIMERS 67
Understanding Windows Timers 68
Placing a Clock on Your Application 68
Creating the Project and Application 68
Adding the Timer IDs 70
Starting the Clock Timer 71
Handling the Clock Timer Event 72
Adding a Second Timer to Your Application 74
Adding the Application Variables 74
Starting and Stopping the Counting Timer 75
Enabling the Stop Button 79
Summary 81
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Q&A 81
Workshop 82
Quiz 82
Exercise 82
DAY 5GETTING USER FEEDBACK—ADDING DIALOG BOXES TO YOUR APPLICATION 83
Using Pre-existing (or System) Dialog Windows 84
Using Message Boxes 84
Using Common Dialogs 90
Creating Your Own Dialog Windows 93
Creating the Dialog Window 93
Using the Dialog in Your Application 96
Summary 101
Q&A 101
Workshop 103
Quiz 103
Exercises 104
DAY 6CREATING MENUS FOR YOUR APPLICATION 105
Menus 106
Menu Styles 106
Keyboard Shortcut–Enabling Menus 106
Menu Standards and Conventions 107
Designing Menus 108
Creating a Menu 108
Creating the Application 108
Adding and Customizing a Menu 109
Attaching the Menu to Your Dialog Window 112
Attaching Functionality to Menu Entries 112
Creating Pop-Up Menus 116
Creating a Menu with Accelerators 118
Summary 119

Q&A 119
Workshop 120
Quiz 120
Exercises 120
DAY 7WORKING WITH TEXT AND FONTS 121
Finding and Using Fonts 122
Listing the Available Fonts 122
Using a Font 125
Contents vii
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