for eyny sample

form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace EynyTest_20150415 {
   
    public partial class Form1 : Form {
        public class Singer {
            public string Name { get; set; }
            public string Album { get; set; }
            public int Votes { get; set; }
            public override string ToString() {
                return string.Format("{0}\t{1}",Name,Votes);
            }
        }

        public Form1() {
            InitializeComponent();
        }


        Singer[] SingerList;
        private void Form1_Load(object sender ,EventArgs e) {
            SingerList = new Singer[]{//寫入初始的清單
                new Singer(){ Name = "林祐嘉",Album = "大小說家/華研"},
                new Singer(){ Name = "周杰倫",Album = "12新作/傑威爾"},
                new Singer(){ Name = "蕭敬騰",Album = "以愛之名/華納"},
                new Singer(){ Name = "小宇"  ,Album="在一次/愛貝克斯"},
                new Singer(){ Name = "方大同",Album = "回到未來/華納"}
            };

            foreach(Singer singer in SingerList) {
                comboBox1.Items.Add(singer.Name);
            }

            DisplayList();
        }

        private void comboBox1_SelectedIndexChanged(object sender ,EventArgs e) {
            if(comboBox1.SelectedIndex == -1)return;
            label1.Text = SingerList[comboBox1.SelectedIndex].Album;
        }

        private void button1_Click(object sender ,EventArgs e) {
            if(comboBox1.SelectedIndex == -1)return;
            SingerList[comboBox1.SelectedIndex].Votes++;

            DisplayList();
        }

        private void DisplayList() {
            var OrderList = from t in SingerList
                            orderby t.Votes descending
                            select t;

            listBox1.Items.Clear();

            foreach(var Item in OrderList) {
                listBox1.Items.Add(Item.ToString());
            }
        }
    }
}