class Program {
        static void Main(string[] args) {
            SorAndShowFiles("Sorted by name", delegate(FileInfo f1, FileInfo f2) {
                return f1.Name.CompareTo(f2.Name);
            }
                );
            Console.ReadKey();
        }
        delegate void SampleDelegate(string x);
        public static void CandidateAction(string x) {

            Console.WriteLine("CandidateAction");
        }
        public static void SorAndShowFiles(string title, Comparison<FileInfo> sortOder) {
            FileInfo[] files = new DirectoryInfo(@"F:\").GetFiles();
            Array.Sort(files, sortOder);
            Console.WriteLine(title);
            foreach (FileInfo file in files) {
                Console.WriteLine("Name:{0}   Length:{1} bytes", file.Name, file.Length);
            }
        }
        //
    }

List<string> names = new List<string>();
            names.Add("Sunny Chen");
            names.Add("Sunny  Wang");
            names.Add("DDDD Crystal");
            //第一个阶段 匿名方法
            List<string> found = names.FindAll(new Predicate<string>(delegate(string name) {
                return name.StartsWith("Sunny", StringComparison.OrdinalIgnoreCase);
            }));
            //方式二 匿名方法
            List<string> found2 = names.FindAll(delegate(string name) {
                return name.StartsWith("Sunny", StringComparison.OrdinalIgnoreCase);
            });

            //方式三 Lambda表达式
            List<string> found3=names.FindAll(x=>(x.StartsWith("Sunny", StringComparison.OrdinalIgnoreCase)));

            if (found!=null) {
                foreach (string  item in found) {
                    Console.WriteLine(item);
                }
            }
            Console.ReadKey();