Conventions Used in This Book
This book uses special conventions to present certain types of information. Words that require special treatment appear in specific fonts or font styles. Certain information, such as parameter blocks, appears in special formats so that you can scan it quickly.Special Fonts
All code listings, reserved words, and the names of actual data structures, constants, fields, parameters, and routines are shown in Courier (this is Courier).Words that appear in boldface are key terms or concepts and are defined in the glossary.
Types of Notes
There are several types of notes used in this book.
- Note
- A note like this contains information that is interesting but possibly not essential to an understanding of the main text. (An example appears on page 1-4.)
- IMPORTANT
- A note like this contains information that is essential for an understanding of the main text. (An example appears on page 1-14.)
- WARNING
- Warnings like this indicate potential problems that you should be aware of as you design your application. Failure to heed these warnings could result in system crashes or loss of data. (An example appears on page 16-8.)8batcolor>s