Define virtual function in base and its subclass : virtual « Class « C# / CSharp Tutorial

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7.23.5.Define virtual function in base and its subclass

public class Control

{

    public virtual void Foo() {}

}

public class MyControl: Control

{

    public virtual void Foo() {}

}

7.23.virtual
	7.23.1.	Virtual Methods and Overriding
	7.23.2.	Override virtual functions
	7.23.3.	new virtual method
	7.23.4.	Override virtual method
	7.23.5.	Define virtual function in base and its subclass
	7.23.6.	Class inheritance with virtual method
	7.23.7.	Illustrates versioning: virtual/new
	7.23.8.	Illustrates polymorphism
	7.23.9.	Demonstrate a virtual method.
	7.23.10.	When a virtual method is not overridden, the base class method is used
	7.23.11.	Virtual method in a multilevel hierarchy
	7.23.12.	Use virtual methods and polymorphism.
	7.23.13.	Virtual Accessor

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