© 2016, Mike Murach & Associates, Inc.

The inheritance hierarchy for form control classes
© 2016, Mike Murach & Associates, Inc. Murach's C# 2015

Methods of the System.Object class

Business classes for a Product Maintenance application

The code for a simplified version of the Product base class

The syntax for creating subclasses

The code for a Book class

Another way to override a method

Three versions of the GetDisplayText method

Code that uses the overridden methods

The Product Maintenance form

Two versions of the New Product form

The code for the Product class

The code for the Product class (cont.)

The code for the Book class

The code for the Book class (cont.)

The code for the Software class

The code for the Software class (cont.)

The code for the ProductList class

The code for the Product Maintenance form

The code for the Product Maintenance form (cont.)

The code for the New Product form

The code for the New Product form (cont.)

Code that uses the Type class to get information about an object

How to test an object’s type

Two methods that display product information

Code that doesn’t require casting

Code that throws a casting exception

An abstract Product class

A class that inherits the abstract Product class

The class declaration for a sealed Book class

How sealed methods work

How sealed methods work (cont.)

Extra 14-1 Use inheritance with the Inventory Maintenance application

Project 3-4 Create a memory calculator

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