using System;
using System.Collections.Generic;
using System.Text;
namespace ConsoleApplication2
{
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();
}
}
}
posted on 2007-02-02 15:49
汪杰 阅读(732)
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