C # anonymous method 1027

Class Program {        static void Main (string[] args) {            sorandshowfiles (' Sorted by name ', delegate (FileInfo F1, Fileinf o 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 Direc Toryinfo (@ "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);            }        }        //    }

Just started studying anonymous methods and lambda expressions, trying to write an example

   This code initializes a string list at the beginning, and then uses the FindAll method of the list to find the string starting with "sunny" and finally outputs all the results found.

list<string> names = new list<string> ();            Names. ADD ("Sunny Chen");            Names. ADD ("Sunny  Wang");            Names. ADD ("DDDD Crystal");            The first phase of the anonymous method            list<string> found = names. FindAll (New Predicate<string> (delegate (string name) {                return name. StartsWith ("Sunny", stringcomparison.ordinalignorecase);            });            Way two anonymous methods            list<string> found2 = names. FindAll (Delegate (string name) {                return name. StartsWith ("Sunny", stringcomparison.ordinalignorecase);            });            The three-way lambda expression            list<string> found3=names. FindAll (x=> (X.startswith ("Sunny", StringComparison.OrdinalIgnoreCase));            if (found!=null) {                foreach (string  item in found) {                    Console.WriteLine (item);                }            }            Console.readkey ();

　　

C # anonymous method 1027