using System;

namespace Test {

    public interface ISomeInterface1 {

        void SomeMethod();

        int SomeProperty {get; set;}

        event EventHandler SomeEvent;

        int this[string index] {get; set;}

    }

    public class ImplicitImplemantion : ISomeInterface1 {

        public void SomeMethod(){

            // do some stuff here

        }

        public int SomeProperty {get; set;}

        public event EventHandler SomeEvent;

        public int this[string index] {

            get{

                return 0;

            }

            set{

                // do some assignation to a collection basign on index passed

                // arr[index] = value;

            }

        }

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Implicit interface implementation");

        }

    }

}