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Visual Basic 2015 Unleashed
book

Visual Basic 2015 Unleashed

by Alessandro Del Sole
July 2015
Intermediate to advanced content levelIntermediate to advanced
1300 pages
87h 27m
English
Sams
Content preview from Visual Basic 2015 Unleashed

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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Publisher Resources

ISBN: 9780134196664Purchase book