using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace Ch06Ex05{    class Program    {        delegate double ProcessDelegate(double param1, double param2);        static double Multiply(double param1, double param2)        {            return param1 * param2;        }        static double Divide(double param1, double param2)        {            return param1 / param2;        }        static void Main(string[] args)        {            ProcessDelegate process;            Console.WriteLine("Enter 2 numbers separated with a comma:");            string input = Console.ReadLine();            int commaPos = input.IndexOf(‘,‘);            double param1 = Convert.ToDouble(input.Substring(0, commaPos));            double param2 = Convert.ToDouble(input.Substring(commaPos + 1,                                             input.Length - commaPos - 1));            Console.WriteLine("Enter M to multiply or D to divide:");            input = Console.ReadLine();            if (input == "M")                process = new ProcessDelegate(Multiply);            else                process = new ProcessDelegate(Divide);            Console.WriteLine("Result: {0}", process(param1, param2));            Console.ReadKey();        }    }}