Sams Teach Yourself Visual Basic 6 in 24 Hours

By Greg Perry

• Table of Contents
  • Copyright
  • About the Author
  • Acknowledgments
  • Introduction
  • Who Should Read This Book
  • What This Book Will Do for You
  • Can This Book Really Teach Visual Basic in 24 Hours?
  • What You Need
  • Files on the Visual Basic Distribution CD-ROM
  • Conventions Used in This Book
  • Enough! Time Is Ticking!
  • Part I: Introducing Visual Basic
  • Hour 1. Visual Basic at Work
  • Hour 2.Analyzing Visual Basic Programs
  • Hour 3.Controls and Properties
  • Hour 4.Examining Labels, Buttons, and Text Boxes
  • Part II: Coding the Details
  • Hour 5.Putting Code into Visual Basic
  • Hour 6.Message and Input Boxes
  • Hour 7.Making Decisions
  • Hour 8.Visual Basic Looping
  • Part III:Putting Code to Work
  • Hour 9.Combining Code and Controls
  • Hour 10.List Boxes and Data Lists
  • Hour 11.Additional Controls
  • Hour 12.Dialog Box Basics
  • Part IV:Programming with Data
  • Hour 13.Modular Programming
  • Hour 14.Built-In Functions Save Time
  • Hour 15.Visual Basic Database Basics
  • Hour 16.Printing with Visual Basic
  • Part V:Sprucing Up Programs
  • Hour 17.Menus and Visual Basic
  • Hour 18.The Graphic Image Controls
  • Hour 19.Toolbars and More Graphics
  • Hour 20.Writing Correct Applications
  • Part VI:Advancing Visual Basic Applications
  • Hour 21.Visual Basic and ActiveX
  • Hour 22.Object Basics
    • The System Objects
    • Program Objects
    • Using Collections and Object Arrays
    • Introduction to OLE Automation
    • Summary
    • Q&A
    • Workshop
  • Hour 23.Distributing Your Applications
  • Hour 24.Online Visual Basic
  • Part VII:Appendixes
  • Appendix A.Operator Precedence
  • Appendix B.Answers
  • Appendix C.Using the CD-ROM

Workshop

The quiz questions and exercises are provided for your further understanding. See Appendix B for the answers.

Quiz

1. What are three system objects?
2. What is the difference between a class and an object?
3. What happens when you use the New keyword inside an object declaration?
4. True or false: TypeOf is both a statement and a function.
5. True or false: You can pass objects such as controls and forms as arguments to procedures.
6. What is the index value for a collection's first item?
7. How can you insert a new item at the beginning of a collection?
8. Which OLE automation function should you use to initiate OLE automation when the OLE automation application is already running on the machine?
9. What is the new term being used more frequently for OLE automation?
10. True or false: As long as you know the OLE automation language, you don't need the OLE automation application installed on your machine to use OLE automation with that application.

Exercises

1. Write a procedure that decreases the font size of all controls on all forms by 50%. Use a system object to accomplish the change.
2. If you use Word, Excel, or any other OLE automation—compatible application (as all the Office 97 products are), start that application and search the online help for information on that application's properties, events, and methods used in OLE automation. The more you know about that application's internals, the more easily you can integrate that application and borrow its power for your own applications. If the application is an Office 97 application, search the online help for the Visual Basic help to see how to start Visual Basic. (Visual Basic is often called Visual Basic for Applications in application help files. Visual Basic for Applications [or VBA] is the same language as Visual Basic.) Start the application's Visual Basic editor to see a development environment that looks like Visual Basic's own development environment. Open the application's Object Browser to receive an Explorer-like view of that application's properties, events, and methods. Search the Object Browser's online help for extensive OLE automation help.

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