C# List<T>

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List<T> xx = new List<T>();

T x = xx.First(x=>x.x ==x);    //尋找對象其中一個匹配值，返回對象

xx.Any(x=> x.x == x);           //尋找對象其中一個匹配值，返回bool

 

 

 

using System;using System.Collections.Generic;using System.Linq;namespace rooxml{    public class main    {        public static void Main ()        {            List<A> li = new List<A> ();            li.Add (new A(){k=9, v="ddd"});            li.Add (new A(){k=7, v="ddd7"});            li.Add (new A(){k=8, v="ddd55"});            A a = li.First (x => x.k == 7);            if (a!=null) {                li.Remove (a);                Console.WriteLine ("is win");            }            foreach(var r in li){                Console.WriteLine (r.v);            }            Console.WriteLine ();        }    }    class A{        public int k{ get; set;}        public string v{ get; set; }    }}

 

C# List<T>