using System;

​

public interface IDrag{

​

    public void drag(){}

​

}

​

public interface IDrop{

​

    public void drop();

​

}

​

public class SomeAction{

​

    public void performAction(){}

​

}

​

public class MainAction : SomeAction, IDrag, IDrop{

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    public void drag(){

        Console.WriteLine("Perform drag");

    }

    public void drop(){

        Console.WriteLine("Perform drop");

    }

​

}

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}