using System;

public class DisposeExample

{

    // A base class that implements IDisposable.

    // By implementing IDisposable, you are announcing that

    // instances of this type allocate scarce resources.

    public class MyResource: IDisposable

    {

        public int a;

        public MyResource(int ab){

            a = ab; 

        }

        public void Dispose()

        {

            a = 0;

        }

    }

    public static void Main()

    {

        Tuple<MyResource, int> result = testMeth();

        Console.WriteLine(result.Item1.a);

        Console.WriteLine(result.Item2);

        // Insert code here to create

        // and use the MyResource object.

    }

    public static Tuple<MyResource, int> testMeth(){

        using(MyResource m = new MyResource(10)){

            return new Tuple<MyResource, int>(m,m.a);

        }

    }

}