Visual Basic 2015 Unleashed

Summary

Inheritance is a key topic in the object-oriented programming with Visual Basic and the .NET Framework. In this chapter, you learned lots of important concepts. First, you learned what inheritance is and how you can take advantage of it for creating frameworks of custom objects. Then you saw how to derive classes from base classes using the Inherits keyword and how your derived classes automatically inherit some members from System. Object, which is the root in the class hierarchy. When deriving classes, you need to consider how constructors and shared members behave; the chapter also provided an overview. But inheritance would be of less use without polymorphism. You learned how polymorphism requires implementing one common infrastructure ...