C# Concept of using Ref_Keyword

C# Concept of using Ref_Keyword

using System;

namespace ConsoleApplicationSample

{

    class ArrayBCA

    {

#region Ref_Keyword

        public static string GetNextName(ref int id)

        {

            string returnText = "Next-" + id.ToString();

            id += 1;

            return returnText;

        }

        static void Main(string[] args)

        {

            int i = 1;

            Console.WriteLine("Previous value of integer i:" + i.ToString());

            string test = GetNextName(ref i);

            Console.WriteLine("Current value of integer i:" + i.ToString());

            Console.ReadKey();

        }

        #endregion

       }       

    }

}

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