32.1 Finding a Quick-Reference Entry

The quick reference is organized into chapters, one per namespace. Each chapter begins with an overview of the namespace and includes a hierarchy diagram for the types ( classes, interfaces, enumerations, delegates, and structs) in the namespace. Following the overview are quick-reference entries for all the types in the namespace.

Figure 32-1 is a sample diagram showing the notation used in this book. This notation is similar to that used in Java in a Nutshell , but borrows some features from UML. Abstract classes are shown as a slanted rectangle, and sealed classes as an octagonal rectangle. Inheritance is shown as a solid line from the subtype, ending with a hollow triangle that points to the supertype . There are two notations that indicate interface implementation. The lollipop notation is used most of the time because it is easier to read. In some cases, especially where many types implement a given interface, the shaded box notation with a dashed line is used.

Figure 32-1. Class hierarchy notation

Important relationships between types (associations) are shown with a dashed line ending with an arrow. The figures don't show every possible association.

Entries are organized alphabetically by type and namespace, so that related types are grouped near each other. Thus, in order to look up a quick reference entry for a particular type, you must also know the name of the namespace that contains that type. Usually, the namespace is obvious from the context, and you should have no trouble looking up the quick-reference entry you want. Use the tabs on the outside edge of the book and the dictionary-style headers on the upper outside corner of each page to help you find the namespace and type you are looking for.

Occasionally, you may need to look up a type for which you don't already know the namespace. In this case, refer to Glossary. This index allows you to look up a type by its name and find out what namespace it is part of.

ADO. NET in a Nutshell
ADO.NET in a Nutshell
ISBN: 0596003617
EAN: 2147483647
Year: 2005
Pages: 415

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