using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace OverridDemo2

{

    class Program

    {

        static void Main(string[] args)

        {

            (new Program()).run();

        }

        void run()

        {

            int arg1 = 10;

            float arg2 = 12.5f;

            int arg3 = 30;

            DoWorkWithData();

            DoWorkWithData(arg1);

            DoWorkWithData(arg1, arg2);

            DoWorkWithData(intData:arg1, moreIntData:arg3);//指定传递给哪个参数.

            DoWorkWithData(floatData:arg2,moreIntData:arg3); //指定传递给哪个参数.

            DoWorkWithData(arg1, arg2,arg3);

        }

        void DoWorkWithData(int intData=0, float floatData=0.0f, int moreIntData=0)

        {

            Console.WriteLine("intData:{0},floatData:{1},moreIntData:{2}",

                intData, floatData, moreIntData);

        }

    }

}

注：在参数列表中，如果存在有默认值的和无默认值的情形，无默认值的参数必须在有默认值的参数前面.

eg: void DoWorkWithData(int intData, float floatData=0.0f, int moreIntData=0)

        {

            Console.WriteLine("intData:{0},floatData:{1},moreIntData:{2}",

                intData, floatData, moreIntData);

        }