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Microsoft® Visual C#® 2008 Step by Step by John Sharp

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Chapter 16. Using Indexers

After completing this chapter, you will be able to:

  • Encapsulate logical arraylike access to an object by using indexers.

  • Control read access to indexers by declaring get accessors.

  • Control write access to indexers by declaring set accessors.

  • Create interfaces that declare indexers.

  • Implement indexers in structures and classes that inherit from interfaces.

The preceding chapter described how to implement and use properties as a means of providing controlled access to the fields in a class. Properties are useful for mirroring fields that contain a single value. However, indexers are invaluable if you want to provide access to items that contain multiple values by using a natural and familiar syntax.

What Is an Indexer?

An indexer ...

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