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Definition of Virtual

By David Bolton, About.com

Definition: In a function in a base class in C++ and C#, marking a function virtual means that it can be overridden in a derived class. This is how polymorphism in OOP is implemented.

Glossary:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Examples:
Inheritance requires virtual functions.
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