MP3播放器源码.docVIP

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 Ex182 { public partial class Form1 : Form { private bool bool_no_sound = false;//是否静音 private int num_sound_value = 0;//音量 private string str_load_dir = ;//文件目录 public Form1() { File.AppendAllText(LoadMusic.txt, );//打开文件，追加字符串 InitializeComponent(); str_load_dir = File.ReadAllText(LoadMusic.txt); if (str_load_dir != ) Loadmusics(); } private void Loadmusics() { try { //遍历打开的文件，将文件名添加到ListBox控件中，加入播放文件列表 foreach (string filename in Directory.GetFiles(str_load_dir)) { FileInfo fi = new FileInfo(filename); if (fi.Extension == .* || fi.Extension == .wmv || fi.Extension == .mp3 || fi.Extension == .wma || fi.Extension == .avi) { listBox1.Items.Add(fi.Name); axWindowsMediaPlayer1.currentPlaylist.insertItem(axWindowsMediaPlayer1.currentPlaylist.count, axWindowsMediaPlayer1.newMedia(filename)); } } } catch { File.WriteAllText(LoadMusic.txt, ); } } private void 打开ToolStripMenuItem_Click(object sender, EventArgs e) { OpenFileDialog open = new OpenFileDialog();//对话框对象 //过滤条件 open.Filter = 所有文件.*|*.*|Wmv视频.wmv|*.wmv|歌曲.mp3|*.mp3|歌曲.wma|*.wma|文件.avi|*.avi; open.FilterIndex = 1; if (open.ShowDialog() == DialogResult.OK) { FileInfo fi = new FileInfo(open.FileName);//获取文件 int i; //将打开的文件添加到ListBox控件中 for (i = 0; i l