Implementing Derived Classes
The Class Designer is powerful enough to provide support for class inheritance. Suppose you want to create two classes deriving from Person—for example, Contact and Customer. To create a Contact class that inherits from Person, follow these steps:
1. Right-click the designer surface and select the Add, Class command. When the New Class dialog box appears, specify the class name and leave the other properties unchanged.
2. When the new class is added to the designer’s surface, select Inheritance from the Toolbox and connect a line between the Person class and the new class. This establishes an inheritance relationship between the two classes. You notice that the designer does not show inherited properties while it ...
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