使用委托调用函数

使用委托调用函数

使用委托调用函数。

using System;namespace a{	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();		}	}}

TAG:C#