异常处理

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

namespace 定制异常
{
   
    class Program
    {
        public static double MyFunc(double divident, double divisor)
        { 
            if(divident==0)
            {
                throw new MyException { MyInfo = "亲爱的，被除数不能为零哦！" };
            }
            else
            {
                return divident / divisor;
            }
        }
        static void Main(string[] args)
        {
            double x = 0;
            double y = 10;
          try
            {
                MyFunc(x, y);
            }catch(MyException e)
            {
                Console.WriteLine("MyException Throw:" + e.MyInfo);

            }catch(Exception e)
            {
                Console.WriteLine("UnKnow Exception:" + e);
                throw;
            }

            finally
            {
                Console.WriteLine("捕获异常结束！");
            }

            Console.ReadLine();
            
        }
    }

    class MyException:Exception
    {
        public string MyInfo;
    }
}