using System;namespace AnonymousMethod{    delegate void ArithmeticOperation(double operand1, double operand2);    class Program    {        static void Main(string[] args)        {            ArithmeticOperation sum = delegate (double number1, double number2)            {                Console.WriteLine($"{number1} + {number2} = {number1 + number2}");            };            sum(10, 5);            Console.WriteLine();        }    }}

参考: