C#语法糖

private string _myName;

public string MyName
{
     get { return _myName; }
     set { _myName = value; }
}

public string MyName { get; set; }

class MyClass
{
     public delegate void DoSomething(int a);
     //定义方法委托
     private void DoIt(int a) {
         Console.WriteLine(a);
     }

     private void HowtoDo(DoSomething doMethod,int a) {
         doMethod(a);
     }

     public static void Main(string[] args) {
         MyClass mc = new MyClass();
         //调用定义的方法委托
         mc.HowtoDo(new DoSomething(mc.DoIt), 10);
         int x = 10;
         //使用匿名委托
         mc.HowtoDo(delegate(int a){
             Console.WriteLine(a + x);
         },10);

         //使用lamda表达式
         mc.HowtoDo(a=>Console.WriteLine(a+x),10);
         Console.ReadLine();
     }
}

List<string> list = new List<string>();
list.Add("a一");
list.Add("b二");
list.Add("c三");

List<string> list = new List<string> {
             "def","OK"
};

var b = 3;
var a = b > 9?b.ToString():”0”+b;

string a = null;
var b = a??””;

public class Abc
{
     public int ID { get; set; }
     public string Name { get; set; }
     public string Url { get; set; }
}

public static void Main(string[] args) {
     var abc = new Abc{
         ID=1,
         Name="xuehai",
         Url="http://www.xuehai.net/"
     };
 }

public static class StringExt {
     static private Regex regexNumber = new Regex("\\d+");
     static public bool IsNumber(this string input)
     {
         if (string.IsNullOrEmpty(input))
         {
             return false;
         }
         return regexNumber.IsMatch(input);
     }
}

var abc = “123”;
var isNumber = abs.IsNumber();

var a = new {
     ID = 1,Name=”xuehai”,BlogUrl=”http//www.xuehai.net/”
};