using System;

​

public class ClsParent

{

    public virtual void  Override()

    {

        Console.WriteLine("Parent - Override");

    }

    public void Shadow()

    {

        Console.WriteLine("Parent - Shadow");

        Console.WriteLine("================");

    }

}

public class ClsChild : ClsParent

{

    public override void  Override()

    {

        Console.WriteLine("Child - Override");

    }

    public new void Shadow()

    {

        Console.WriteLine("Child - Shadow");

        Console.WriteLine("================");

    }

}

​

public class Program

{

    public static void Main()  

    {  

        ClsParent p = new ClsParent();

        ClsChild c = new ClsChild();

        p.Override();

        p.Shadow();

        c.Override();

        c.Shadow();

        ClsParent pc = new ClsChild();

        pc.Override();

        pc.Shadow();

    } 

}