using System;
using System.Collections.Generic;
using System.Data;
using System.Text;

namespace ConsoleApp14
{
    class Program
    {
        static void Main(string[] args)
        {
            List<Content> list1 = new List<Content>();
            list1.Add(new Content { Id = 1, Title = "內容1" });
            list1.Add(new Content { Id = 3, Title = "內容3" });
            list1.Add(new Content { Id = 2, Title = "內容2" });

            list1.Sort(SortCompare);
        }

        /// <summary>
        /// 自定義排序
        /// </summary>
        /// <param name="info1"></param>
        /// <param name="info2"></param>
        /// <returns></returns>
        private static int SortCompare(Content info1, Content info2)
        {
            //// Id 從小到大
            //return info1.Id.CompareTo(info2.Id);

            // Id 從大到小
            return info2.Id.CompareTo(info1.Id);
        }
    }

    public class Content
    {
        public int Id { get; set; }

        public string Title { get; set; }
    }
}