Microsoft Visual C# Step by Step, 10th Edition

Chapter 12

Working with inheritance

After completing this chapter, you will be able to:

• Understand what inheritance is and how it works.

• Create a derived class that inherits features from a base class.

• Control method hiding and overriding by using the new, virtual, and override keywords.

• Limit accessibility within an inheritance hierarchy by using the protected keyword.

• Define extension methods as an alternative mechanism to using inheritance.

Inheritance is a key concept in the world of object-oriented programming. You can use inheritance as a tool to avoid repetition when defining different classes that have some features in common and are quite clearly related to one another.

Suppose you’re writing an application to simulate a factory, ...