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// Get "Homer" and print data.

Person homer = myPeople["Homer"];

Console.WriteLine(homer.ToString());

Console.ReadLine();

}

Again, if you were to make use of the generic Dictionary type directly, you

could gain the indexer method functionality out of the box.

■

Source Code

The StringIndexer project is located under the Chapter 12 subdirectory.

Overloaded Indexer Methods

Understand that indexer methods may be overloaded. Thus, if it made sense to allow the caller to

access subitems using a numerical index or a string value, you might define multiple indexers for a

single type. By way of example, if you have ever programmed with ADO.NET (.NET’s native data-

base access API), you may recall that the DataSet type supports a property named Tables, which

returns to you a strongly typed DataTableCollection type. As it turns out, DataTableCollection

defines three indexers to get and set DataTable objects; one by ordinal position, and the others by a

friendly string moniker and optional containing namespace:

public sealed class DataTableCollection : InternalDataCollectionBase

{

...