Inheritance 3 : Class Inheritance : Class Interface C# Source Code

    

/*
 * C# Programmers Pocket Consultant
 * Author: Gregory S. MacBeth
 * Email: gmacbeth@comporium.net
 * Create Date: June 27, 2003
 * Last Modified Date:
 */
using System;

namespace Client.Chapter_5___Building_Your_Own_Classes
{
  public class InheritanceChapter_5___Building_Your_Own_Classes
  {
    static void Main(string[] args)
    {
      B MyB = new D();
      D MyD = new D();

      //Both result in in D's instance of Display being //called
      MyB.Display();
      MyD.Display();
    }
  }
  public class B
  {
    public virtual void Display()
    {
      Console.WriteLine("Class B's Display Method");
    }
  }
  public class C: B
  {
    public override void Display()
    {
      Console.WriteLine("Class C's Display Method");
    }
  }
  public class ContainedClass
  {
    int MyInt = 0;
  }
  public class D: C
  {
    public ContainedClass MyClass = new ContainedClass();
    public override void Display()
    {
      Console.WriteLine("Class D's Display Method");
    }
  }

}