Object-Oriented Features
For years, VB developers have asked for true object-oriented language features. Finally, with VB.NET, they get their wish. VB.NET supports implementation inheritance, constructors and destructors, method overloading, the new Overrides keyword, and shared members.
Inheritance
How long have you been asking for true inheritance? VB.NET supports inheritance by enabling you to extend the properties and methods of a given base class. When you derive a class in VB.NET, you can also override inherited methods with your own implementation. In VB.NET, all classes are inheritable by default. Listing B.9 shows a simple example of inheritance.
Listing B.9. Simple Inheritance
1: Imports System 2: 3: Public Class TwoDPoint 4: Public ... |
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