匿名方法

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace 匿名方法
{
    class Program
    {
        public class Book
        {
            public string Name { get; set; }
            public int Year { get; set; }
        }
        static void Main(string[] args)
        {
            var books = new List<Book>
        {
            new Book{Name="C# learning guide",Year=2005},
            new Book{Name="C# step by step",Year=2005},
            new Book{Name="Java learning guide",Year=2004},

            new Book{Name="Java step by step",Year=2004},
            new Book{Name="Python learning guide",Year=2003},
            new Book{Name="C# in depth",Year=2012},
            new Book{Name="Java in depth",Year=2014},
            new Book{Name="Python in depth",Year=2013},
        };


            Console.WriteLine("最近的-----------------------------------");
            //匿名方法只在需要的地方定义，定义的时候，使用delegate关键字，后接参数列表，然后跟上用一对花括号包括起来的函数体即可
            books.ForEach(delegate(Book B) {
                Console.WriteLine("Name = {0}, Year = {1}", B.Name, B.Year);
            }); //对 List 的每个元素执行指定操作。
            Console.WriteLine("111-----------------------------------");
            Console.ReadKey();
        }
    }
}

详细参考：http://www.cnblogs.com/daxnet/archive/2008/11/12/1687011.html