101 Microsoft® Visual Basic® .NET Applications

Application #66. Build a Custom Collection Class

This topic shows how to create custom collection classes by inheriting from System.Collections.CollectionBase. While the .NET Framework has many generalpurpose collection classes, they are not type-safe because they are designed to contain objects of any type. If you want a collection that contains only objects of a specific type, you need to create a custom collection.

Building Upon... Application #7: Object-Oriented Features Application #8: Scoping, Overloading, Overriding

New Concepts

The first step in designing a custom collection is to identify which framework collection class is most suitable to serve as your custom collection’s base class. Each collection type maintains at least one ...