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;
using System.Xml;namespace MusicPlayer
{public partial class Form1 : Form{public Form1(){InitializeComponent();}string[] musicPath = new string[1000];  //用于保存歌曲目录int musicCount = 0;private void Form1_Load(object sender, EventArgs e){axWindowsMediaPlayer1.BeginInit();   //播放器相关属性的设置axWindowsMediaPlayer1.settings.autoStart = true;axWindowsMediaPlayer1.settings.setMode("shuffle", false);axWindowsMediaPlayer1.settings.enableErrorDialogs = true;axWindowsMediaPlayer1.settings.balance = 0;axWindowsMediaPlayer1.settings.mute = false;axWindowsMediaPlayer1.settings.volume = 100;if (File.Exists("listbox.txt"))  //如果存在播放列表，那么加载播放列表
            {StreamReader reader = new StreamReader("listbox.txt");try{while (reader.Peek() != -1){string filepath = reader.ReadLine();if (File.Exists(filepath)){musicPath[musicCount++] = filepath;string filename = Path.GetFileName(filepath);listBox1.Items.Add(filename);  //listbox用来显示歌曲名
                            axWindowsMediaPlayer1.currentPlaylist.insertItem(axWindowsMediaPlayer1.currentPlaylist.count, axWindowsMediaPlayer1.newMedia(filepath));}}listBox1.SelectedIndex = 0;}catch (Exception){listBox1.SelectedIndex = -1;MessageBox.Show("加载播放列表失败或者列表为空!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);}finally{reader.Close();}}}private void 添加本地歌曲ToolStripMenuItem_Click(object sender, EventArgs e) //添加本地歌曲的方法
        {aa.FileName = "";aa.Multiselect = true;DialogResult dr = aa.ShowDialog();if (dr == DialogResult.OK){axWindowsMediaPlayer1.URL = aa.FileName;string[] filepath = aa.FileNames;foreach (string filename in filepath){if (Path.GetExtension(filename) == ".mp3"){string filenam = Path.GetFileName(filename);listBox1.Items.Add(filenam);musicPath[musicCount++] = filename;axWindowsMediaPlayer1.currentPlaylist.insertItem(axWindowsMediaPlayer1.currentPlaylist.count, axWindowsMediaPlayer1.newMedia(filename));}}}}private void 添加本地歌曲文件夹ToolStripMenuItem_Click(object sender, EventArgs e)//添加本地歌曲文件夹的方法
        {DialogResult dr = folderBrowserDialog1.ShowDialog();if (dr == DialogResult.OK){string[] filepath = Directory.GetFiles(folderBrowserDialog1.SelectedPath);foreach (string s in filepath){if (Path.GetExtension(s) == ".mp3"){string filename = Path.GetFileName(s);listBox1.Items.Add(filename);musicPath[musicCount++] = s;axWindowsMediaPlayer1.currentPlaylist.insertItem(axWindowsMediaPlayer1.currentPlaylist.count, axWindowsMediaPlayer1.newMedia(s));}}}}private void listBox1_SelectedIndexChanged(object sender, EventArgs e) //双击列表歌曲播放的方法
        {int j = listBox1.SelectedIndex;if (listBox1.Items.Count > 0 && listBox1.SelectedIndex >= 0){axWindowsMediaPlayer1.Ctlcontrols.playItem(axWindowsMediaPlayer1.currentPlaylist.get_Item(listBox1.SelectedIndex));}}private void button2_Click(object sender, EventArgs e) //添加背景图片的方法
        {DialogResult result = openFileDialog1.ShowDialog();if (result == DialogResult.OK){pictureBox1.ImageLocation = openFileDialog1.FileName;}}private void 顺序播放ToolStripMenuItem_Click(object sender, EventArgs e) //顺序播放的方法
        {axWindowsMediaPlayer1.settings.playCount = 1;axWindowsMediaPlayer1.currentPlaylist.clear();for (int j = 0; j < musicCount; j++){if (musicPath[j] != string.Empty){axWindowsMediaPlayer1.currentPlaylist.insertItem(axWindowsMediaPlayer1.currentPlaylist.count, axWindowsMediaPlayer1.newMedia(musicPath[j]));}}axWindowsMediaPlayer1.settings.setMode("shuffle", false);axWindowsMediaPlayer1.Ctlcontrols.playItem(axWindowsMediaPlayer1.currentPlaylist.get_Item(0));}private void 单曲循环ToolStripMenuItem_Click(object sender, EventArgs e) //单曲循环的方法
        {axWindowsMediaPlayer1.Ctlcontrols.stop();axWindowsMediaPlayer1.currentPlaylist.clear();if (listBox1.SelectedIndex != -1 && listBox1.Items.Count > 0){int k = listBox1.SelectedIndex;for (int i = 0; i < 1000; i++){axWindowsMediaPlayer1.currentPlaylist.insertItem(axWindowsMediaPlayer1.currentPlaylist.count, axWindowsMediaPlayer1.newMedia(musicPath[k]));}}axWindowsMediaPlayer1.Ctlcontrols.playItem(axWindowsMediaPlayer1.currentPlaylist.get_Item(0));}private void 随机播放ToolStripMenuItem_Click(object sender, EventArgs e) //随机播放的方法
        {axWindowsMediaPlayer1.settings.playCount = 1;axWindowsMediaPlayer1.Ctlcontrols.stop();axWindowsMediaPlayer1.currentPlaylist.clear();Random rd = new Random(DateTime.Now.Millisecond);for (int i = 0; i < 1000; i++){int j = rd.Next(0, musicCount);if (musicPath[j] != string.Empty){axWindowsMediaPlayer1.currentPlaylist.insertItem(axWindowsMediaPlayer1.currentPlaylist.count, axWindowsMediaPlayer1.newMedia(musicPath[j]));}}axWindowsMediaPlayer1.Ctlcontrols.playItem(axWindowsMediaPlayer1.currentPlaylist.get_Item(0));}private void 清空列表ToolStripMenuItem_Click(object sender, EventArgs e) //清空播放列表的方法
        {axWindowsMediaPlayer1.Ctlcontrols.stop();  //先停止播放器listBox1.Items.Clear();  //清空listboxaxWindowsMediaPlayer1.currentPlaylist.clear();  //清空播放列表for (int j = 0; j < musicCount; j++){musicPath[j] = "";}}private void 退出程序ToolStripMenuItem_Click(object sender, EventArgs e) //退出程序的方法
        {axWindowsMediaPlayer1.Ctlcontrols.stop();axWindowsMediaPlayer1.close();StreamWriter writer = new StreamWriter("listbox.txt", false, Encoding.Unicode);  //保存播放列表for (int i = 0; i <= musicCount - 1; i++){if (musicPath[i] != string.Empty){writer.WriteLine(musicPath[i]);}}writer.Close();Application.Exit(); }}}