09通过winfrom实现简单的播放音、视频

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

 namespace musicPlayer
 {
     public partial class Form1 : Form
     {
         public Form1()
         {
             InitializeComponent();
         }
         List<string> listSong = new List<string>();
          /// <summary>
          /// 实现按钮1的打开功能
          /// </summary>
          /// <param name="sender"></param>
          /// <param name="e"></param>
         private void button1_Click(object sender, EventArgs e)
         {
             OpenFileDialog open = new OpenFileDialog();
             open.Title = "请选择音乐文件";
             open.InitialDirectory = @"E:\";
             open.Multiselect = true;
             open.Filter = "所有文件|*.*|mp3文件|*.mp3";
             open.ShowDialog();
             string[] path = open.FileNames;
             for (int i = ; i < path.Length; i++)
             {
                 listBox1.Items.Add(Path.GetFileName(path[i]));
                 listSong.Add(path[i]);
             }

         }
         /// <summary>
         /// 把文件显示在listbox中
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void listBox1_DoubleClick(object sender, EventArgs e)
         {
              //调用静态字段并实现双击播放
             axWindowsMediaPlayer1.URL = listSong[listBox1.SelectedIndex];

         }
         /// <summary>
         /// 上一个文件并播放
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void button2_Click(object sender, EventArgs e)
         {

             int index = listBox1.SelectedIndex;
             index--;
             if (index <)
             {
                 index = listBox1.Items.Count-;
             }

             listBox1.SelectedIndex = index;
             axWindowsMediaPlayer1.URL = listSong[index];

         }
         /// <summary>
         /// 下一个
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void button3_Click(object sender, EventArgs e)
         {
             int index = listBox1.SelectedIndex;
             index++;
             if (index == listBox1.Items.Count)
             {
                 index = ;
             }

             listBox1.SelectedIndex = index;
             axWindowsMediaPlayer1.URL = listSong[index];
         }
         /// <summary>
         /// 当无操作时重复播放
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void axWindowsMediaPlayer1_StatusChange(object sender, EventArgs e)
         {
             //判断视频是否已停止播放
             if ((int)axWindowsMediaPlayer1.playState == )
             {
                 //停顿2秒钟再重新播放
                 System.Threading.Thread.Sleep();

                 //axWindowsMediaPlayer1.Ctlcontrols.next();
                 //重新播放
                 axWindowsMediaPlayer1.Ctlcontrols.play();
             }  

         }
     }
 }

过完年没想到忽然事情很多，结果搁置了这么久，还好比葫芦画瓢的本领倒是没减退。

这几天在看传智的视频，本次代码的实现通过结合视频中的讲述以及网上查找资料得以完成，但是仍有很多不满意的地方。

譬如一首歌曲停止后无法自动播放下一首，目前考虑可能是调用的是系统播放器，而播放器的真实列表中并没有其他文件，故无法自动播放下一首，只能单曲循环.....

暂且放下，留待日后寻求解决。听一些前辈说，死钻牛角尖并不是良好的学习态度。