32、Visual Basic .NET: Object-Oriented and Graphics Programming

Visual Basic .NET: Object-Oriented and Graphics Programming

1. Object-Oriented Programming Basics

1.1 Interfaces

Interfaces in programming allow you to define a set of class members. When you implement an interface, you are required to implement all the members specified in that interface. For example, if an interface has a method, you must define that method in the class implementing the interface.

1.2 Customizing Inheritance

You can customize inheritance using keywords like MustOverride , Overridable , and NotOverridable .
- MustOverride : Forces derived classes to override the method.
- Overridable : Allows derived classes to override the met