0505.Net基础班第十六天（多线程和Socket网络编程）

01复习

  1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Threading.Tasks;
  9 using System.Windows.Forms;
 10 using System.IO;
 11 using System.Media;
 12 namespace _01复习
 13 {
 14     public partial class Form1 : Form
 15     {
 16         public Form1()
 17         {
 18             InitializeComponent();
 19         }
 20         //用来存储音乐文件的全路径
 21         List<string> listSongs = new List<string>();
 22         private void button1_Click(object sender, EventArgs e)
 23         {
 24             OpenFileDialog ofd = new OpenFileDialog();
 25             ofd.Title = "请选择音乐文件";
 26             ofd.InitialDirectory = @"F:\CloudMusic";
 27             ofd.Multiselect = true;
 28             ofd.Filter = "音乐文件|*.wav|所有文件|*.*";
 29             ofd.ShowDialog();
 30             //获得我们在文件夹中选择所有文件的全路径
 31             string[] path = ofd.FileNames;
 32             for (int i = 0; i < path.Length; i++)
 33             {
 34                 //将音乐文件的文件名加载到ListBox中
 35                 listBox1.Items.Add(Path.GetFileName(path[i]));
 36                 //将音乐文件的全路径存储到泛型集合中
 37                 listSongs.Add(path[i]);
 38             }
 39         }
 40 
 41 
 42         /// <summary>
 43         /// 实现双击播放
 44         /// </summary>
 45         /// <param name="sender"></param>
 46         /// <param name="e"></param>
 47         /// 
 48         SoundPlayer sp = new SoundPlayer();
 49         private void listBox1_DoubleClick(object sender, EventArgs e)
 50         {
 51            
 52             sp.SoundLocation=listSongs[listBox1.SelectedIndex];
 53             sp.Play();
 54         }
 55         /// <summary>
 56         /// 点击下一曲
 57         /// </summary>
 58         /// <param name="sender"></param>
 59         /// <param name="e"></param>
 60         private void button3_Click(object sender, EventArgs e)
 61         {
 62             //获得当前选中歌曲的索引
 63             int index = listBox1.SelectedIndex;
 64             index++;
 65             if (index == listBox1.Items.Count)
 66             {
 67                 index = 0;
 68             }
 69             //将改变后的索引重新的赋值给我当前选中项的索引
 70             listBox1.SelectedIndex = index;
 71             sp.SoundLocation = listSongs[index];
 72             sp.Play();
 73         }
 74 
 75 
 76         /// <summary>
 77         /// 点击上一曲
 78         /// </summary>
 79         /// <param name="sender"></param>
 80         /// <param name="e"></param>
 81         private void button2_Click(object sender, EventArgs e)
 82         {
 83             int index = listBox1.SelectedIndex;
 84             index--;
 85             if (index < 0)
 86             {
 87                 index = listBox1.Items.Count-1;
 88             }
 89             //将重新改变后的索引重新的赋值给当前选中项
 90             listBox1.SelectedIndex = index;
 91             sp.SoundLocation = listSongs[index];
 92             sp.Play();
 93         }
 94 
 95         private void Form1_Load(object sender, EventArgs e)
 96         {
 97 
 98         }
 99     }
100 }

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