using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.IO;
namespace MusicPlayer
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
string[] musicPath = new string[10000]; //用于保存歌曲目录
int musicCount = 0;
private void Form1_Load(object sender, EventArgs e)
{
myPlyer.BeginInit(); //初始化
myPlyer.settings.autoStart = true; //自动播放
myPlyer.settings.setMode(“shuffle“, false); //顺序播放
myPlyer.settings.enableErrorDialogs = true;
myPlyer.settings.balance = 0;
myPlyer.settings.mute = false;
myPlyer.settings.volume = 100; //声音设为最大
btnBack.Enabled = false; //声音不对
btnForward.Enabled = false; //声音不对
btnBE.Enabled = false; //无法暂停和开始
ExitToolStripMenuItem.Enabled = false; //无法退出
ReplayToolStripMenuItem.Enabled = false; //无法单曲循环
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
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count, myPlyer.newMedia(filepath));
}
}
listBox1.SelectedIndex = 0;
}
catch (Exception)
{
listBox1.SelectedIndex = –1;
MessageBox.Show(“加载播放列表失败!“, “提示“, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
reader.Close();
}
}
}
private void OpenToolStripMenuItem_Click(object sender, EventArgs e) //打开音乐文件，但不加入到播放列表中
{
DialogResult dr = openFileDialog1.ShowDialog();
if (dr == DialogResult.OK)
{
myPlyer.URL = openFileDialog1.FileName;
}
}
private void ExitToolStripMenuItem_Click(object sender, EventArgs e) //结束程序，但为什么不起作用？而共享此动作的btnExit却有作用？
{
myPlyer.Ctlcontrols.stop();
myPlyer.close();
Application.Exit();
}
private void AddSingleToolStripMenuItem_Click(object sender, EventArgs e) //添加单首歌曲到播放列表中,”添加”按钮共享此事件
{
DialogResult dr = openFileDialog1.ShowDialog();
if (dr == DialogResult.OK)
{
string filepath = openFileDialog1.FileName;
string filename = Path.GetFileName(filepath);
listBox1.Items.Add(filename);
musicPath[musicCount++] = filepath;
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count,myPlyer.newMedia(filepath));
}
}
private void AddMoreToolStripMenuItem_Click(object sender, EventArgs e) //添加选中的文件夹中的mp3文件到播放列表中
{
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;
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count, myPlyer.newMedia(s));
}
}
}
}
private void listBox1_DoubleClick(object sender, EventArgs e) //播放列表中选中的歌曲,随机播放状态下不起作用
{
int j = listBox1.SelectedIndex;
if(listBox1.Items.Count>0)
{
myPlyer.Ctlcontrols.playItem(myPlyer.currentPlaylist.get_Item(j));
}
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e) //退出程序的动作
{
myPlyer.Ctlcontrols.stop();
myPlyer.close(); //关闭播放器
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();
}
private void axWindowsMediaPlayer1_PlayStateChange(object sender, AxWMPLib._WMPOCXEvents_PlayStateChangeEvent e) //显示播放状态
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
label1.Text = “正在播放 “ + myPlyer.currentMedia.sourceURL+“ “+myPlyer.currentMedia.durationString;
string s = myPlyer.currentMedia.sourceURL;
for (int i = 0; i < myPlyer.currentPlaylist.count; i++)
{
if (listBox1.Items[i].ToString() == Path.GetFileName(s))
{
listBox1.SelectedIndex = i;
break;
}
}
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsBuffering)
{
label1.Text = “正在缓冲 “ + myPlyer.currentMedia.sourceURL;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPaused)
{
label1.Text = “暂停播放 “ + myPlyer.currentMedia.sourceURL;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsWaiting)
{
label1.Text = “正在等待“;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsStopped)
{
label1.Text = “播放停止“;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsReady)
{
label1.Text = “准备就绪“;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsScanForward)
{
label1.Text = “正在快进 “ + myPlyer.currentMedia.sourceURL;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsScanReverse)
{
label1.Text = “正在快退 “ + myPlyer.currentMedia.sourceURL;
}
}
private void btnBE_Click(object sender, EventArgs e) //暂停/开始,不起作用
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
myPlyer.Ctlcontrols.pause();
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPaused)
{
myPlyer.Ctlcontrols.play();
}
}
private void btnStop_Click(object sender, EventArgs e) //停止播放
{
myPlyer.Ctlcontrols.stop();
}
private void btnSlient_Click(object sender, EventArgs e) //静音
{
if (myPlyer.settings.mute == false)
{
myPlyer.settings.mute = true;
}
else
{
myPlyer.settings.mute = false;
}
}
private void btnBack_Click(object sender, EventArgs e) //快退,声音不对
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
myPlyer.Ctlcontrols.fastReverse();
}
}
private void btnForward_Click(object sender, EventArgs e) //快进,声音不对
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
myPlyer.Ctlcontrols.fastForward();
}
}
private void btnPre_Click(object sender, EventArgs e) //上一曲
{
if (listBox1.SelectedIndex != 0)
{
myPlyer.Ctlcontrols.previous();
}
}
private void btnNext_Click(object sender, EventArgs e) //下一曲
{
if (listBox1.SelectedIndex != listBox1.Items.Count – 1)
{
myPlyer.Ctlcontrols.next();
}
}
private void btnPlay_Click(object sender, EventArgs e) //双击播放列表中选中的歌曲
{
if(listBox1.Items.Count>0&&listBox1.SelectedIndex>=0)
{
myPlyer.Ctlcontrols.playItem(myPlyer.currentPlaylist.get_Item(listBox1.SelectedIndex));
}
}
private void btRemove_Click(object sender, EventArgs e) //将选中的歌曲移出播放列表
{
int i = listBox1.SelectedIndex;
for (int j = 0; j < musicCount; j++)
{
if (Path.GetFileName(musicPath[j]) == listBox1.Items[i].ToString())
{
musicPath[j] =“”;
}
}
if (listBox1.Items.Count > 0)
{
listBox1.Items.RemoveAt(i);
myPlyer.currentPlaylist.removeItem(myPlyer.currentPlaylist.get_Item(i));
}
if (i == listBox1.Items.Count)
{
listBox1.SelectedIndex = listBox1.Items.Count-1;
}
else
{
listBox1.SelectedIndex = i;
}
}
private void btnDelete_Click(object sender, EventArgs e) //同上，并删除本地的音乐文件
{
if (MessageBox.Show(“确定要删除文件吗？“, “提示“, MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
int i = listBox1.SelectedIndex;
string s = myPlyer.currentPlaylist.get_Item(i).sourceURL;
for (int j = 0; j < musicCount; j++)
{
if (Path.GetFileName(musicPath[j]) == listBox1.Items[i].ToString())
{
musicPath[j] =“”;
}
}
if (listBox1.Items.Count > 0)
{
listBox1.Items.RemoveAt(i);
myPlyer.currentPlaylist.removeItem(myPlyer.currentPlaylist.get_Item(i));
}
if (i == listBox1.Items.Count)
{
listBox1.SelectedIndex = listBox1.Items.Count – 1;
}
else
{
listBox1.SelectedIndex = i;
}
try
{
File.Delete(s);
}
catch (Exception)
{
MessageBox.Show(“删除文件失败!“, “提示“, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
private void delAllToolStripMenuItem_Click(object sender, EventArgs e) //清空播放列表
{
myPlyer.Ctlcontrols.stop(); //先停止播放器
listBox1.Items.Clear(); //清空listbox
myPlyer.currentPlaylist.clear(); //清空播放列表
for (int j = 0; j < musicCount; j++)
{
musicPath[j] = “”;
}
}
private void Form1_KeyPress(object sender, KeyPressEventArgs e)
{
if (char.Equals(e.KeyChar, \’ \’))
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
myPlyer.Ctlcontrols.pause();
}
}
}
private void SToolStripMenuItem_Click(object sender, EventArgs e) //顺序播放,默认
{
myPlyer.settings.playCount = 1;
myPlyer.currentPlaylist.clear();
for(int j=0;j<musicCount;j++)
{
if(musicPath[j]!=string.Empty)
{
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count,myPlyer.newMedia(musicPath[j]));
}
}
myPlyer.settings.setMode(“shuffle“, false);
myPlyer.Ctlcontrols.playItem(myPlyer.currentPlaylist.get_Item(0));
}
private void ReplayToolStripMenuItem_Click(object sender, EventArgs e) //单曲循环
{
myPlyer.settings.playCount = 1000;
}
private void RandomToolStripMenuItem_Click(object sender, EventArgs e) //随机播放,重新建立当前播放列表
{
myPlyer.settings.playCount = 1;
myPlyer.Ctlcontrols.stop();
myPlyer.currentPlaylist.clear();
Random rd = new Random(DateTime.Now.Millisecond);
for (int i = 0; i < 1000; i++)
{
int j = rd.Next(0,musicCount – 1);
if (musicPath[j] != string.Empty)
{
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count, myPlyer.newMedia(musicPath[j]));
}
}
myPlyer.Ctlcontrols.playItem(myPlyer.currentPlaylist.get_Item(0));
}
}
}
（发现一个Bug，以下是修复完成后的结果）
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace MusicPlayer
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
string[] musicPath = new string[10000]; //用于保存歌曲目录
int musicCount = 0;
private void Form1_Load(object sender, EventArgs e)
{
myPlyer.BeginInit(); //初始化
myPlyer.settings.autoStart = true; //自动播放
myPlyer.settings.setMode(“shuffle“, false); //顺序播放
myPlyer.settings.enableErrorDialogs = true;
myPlyer.settings.balance = 0;
myPlyer.settings.mute = false;
myPlyer.settings.volume = 100; //声音设为最大
btnBack.Enabled = false; //声音不对
btnForward.Enabled = false; //声音不对
btnBE.Enabled = false; //无法暂停和开始
ExitToolStripMenuItem.Enabled = false; //无法退出
ReplayToolStripMenuItem.Enabled = false; //无法单曲循环
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
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count, myPlyer.newMedia(filepath));
}
}
listBox1.SelectedIndex = 0;
}
catch (Exception)
{
listBox1.SelectedIndex = –1;
MessageBox.Show(“加载播放列表失败!“, “提示“, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
reader.Close();
}
}
}
private void OpenToolStripMenuItem_Click(object sender, EventArgs e) //打开音乐文件，但不加入到播放列表中
{
DialogResult dr = openFileDialog1.ShowDialog();
if (dr == DialogResult.OK)
{
myPlyer.URL = openFileDialog1.FileName;
}
}
private void ExitToolStripMenuItem_Click(object sender, EventArgs e) //结束程序，但为什么不起作用？而共享此动作的btnExit却有作用？
{
myPlyer.Ctlcontrols.stop();
myPlyer.close();
Application.Exit();
}
private void AddSingleToolStripMenuItem_Click(object sender, EventArgs e) //添加单首歌曲到播放列表中,”添加”按钮共享此事件
{
DialogResult dr = openFileDialog1.ShowDialog();
if (dr == DialogResult.OK)
{
string filepath = openFileDialog1.FileName;
string filename = Path.GetFileName(filepath);
listBox1.Items.Add(filename);
musicPath[musicCount++] = filepath;
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count,myPlyer.newMedia(filepath));
}
}
private void AddMoreToolStripMenuItem_Click(object sender, EventArgs e) //添加选中的文件夹中的mp3文件到播放列表中
{
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;
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count, myPlyer.newMedia(s));
}
}
}
}
private void listBox1_DoubleClick(object sender, EventArgs e) //播放列表中选中的歌曲,随机播放状态下不起作用
{
int j = listBox1.SelectedIndex;
if(listBox1.Items.Count>0)
{
myPlyer.Ctlcontrols.playItem(myPlyer.currentPlaylist.get_Item(j));
}
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e) //退出程序的动作
{
myPlyer.Ctlcontrols.stop();
myPlyer.close(); //关闭播放器
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();
}
private void axWindowsMediaPlayer1_PlayStateChange(object sender, AxWMPLib._WMPOCXEvents_PlayStateChangeEvent e) //显示播放状态
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
label1.Text = “正在播放 “ + myPlyer.currentMedia.sourceURL+“ “+myPlyer.currentMedia.durationString;
string s = myPlyer.currentMedia.sourceURL;
for (int i = 0; i < myPlyer.currentPlaylist.count; i++)
{
if (listBox1.Items[i].ToString() == Path.GetFileName(s))
{
listBox1.SelectedIndex = i;
break;
}
}
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsBuffering)
{
label1.Text = “正在缓冲 “ + myPlyer.currentMedia.sourceURL;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPaused)
{
label1.Text = “暂停播放 “ + myPlyer.currentMedia.sourceURL;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsWaiting)
{
label1.Text = “正在等待“;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsStopped)
{
label1.Text = “播放停止“;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsReady)
{
label1.Text = “准备就绪“;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsScanForward)
{
label1.Text = “正在快进 “ + myPlyer.currentMedia.sourceURL;
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsScanReverse)
{
label1.Text = “正在快退 “ + myPlyer.currentMedia.sourceURL;
}
}
private void btnBE_Click(object sender, EventArgs e) //暂停/开始,不起作用
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
myPlyer.Ctlcontrols.pause();
}
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPaused)
{
myPlyer.Ctlcontrols.play();
}
}
private void btnStop_Click(object sender, EventArgs e) //停止播放
{
myPlyer.Ctlcontrols.stop();
}
private void btnSlient_Click(object sender, EventArgs e) //静音
{
if (myPlyer.settings.mute == false)
{
myPlyer.settings.mute = true;
}
else
{
myPlyer.settings.mute = false;
}
}
private void btnBack_Click(object sender, EventArgs e) //快退,声音不对
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
myPlyer.Ctlcontrols.fastReverse();
}
}
private void btnForward_Click(object sender, EventArgs e) //快进,声音不对
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
myPlyer.Ctlcontrols.fastForward();
}
}
private void btnPre_Click(object sender, EventArgs e) //上一曲
{
if (listBox1.SelectedIndex != 0)
{
myPlyer.Ctlcontrols.previous();
}
}
private void btnNext_Click(object sender, EventArgs e) //下一曲
{
if (listBox1.SelectedIndex != listBox1.Items.Count – 1)
{
myPlyer.Ctlcontrols.next();
}
}
private void btnPlay_Click(object sender, EventArgs e) //双击播放列表中选中的歌曲
{
if(listBox1.Items.Count>0&&listBox1.SelectedIndex>=0)
{
myPlyer.Ctlcontrols.playItem(myPlyer.currentPlaylist.get_Item(listBox1.SelectedIndex));
}
}
private void btRemove_Click(object sender, EventArgs e) //将选中的歌曲移出播放列表
{
int i = listBox1.SelectedIndex;
for (int j = 0; j < musicCount; j++)
{
if (Path.GetFileName(musicPath[j]) == listBox1.Items[i].ToString())
{
musicPath[j] =“”;
}
}
if (listBox1.Items.Count > 0)
{
for (int j = 0; j < myPlyer.currentPlaylist.count; j++)
{
if (listBox1.Items[i].ToString() == Path.GetFileName(myPlyer.currentPlaylist.get_Item(j).sourceURL))
myPlyer.currentPlaylist.removeItem(myPlyer.currentPlaylist.get_Item(j));
}
listBox1.Items.RemoveAt(i);
}
if (i == listBox1.Items.Count)
{
listBox1.SelectedIndex = listBox1.Items.Count-1;
}
else
{
listBox1.SelectedIndex = i;
}
}
private void btnDelete_Click(object sender, EventArgs e) //同上，并删除本地的音乐文件
{
if (MessageBox.Show(“确定要删除文件吗？“, “提示“, MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
int i = listBox1.SelectedIndex;
string s = myPlyer.currentPlaylist.get_Item(i).sourceURL;
for (int j = 0; j < musicCount; j++)
{
if (Path.GetFileName(musicPath[j]) == listBox1.Items[i].ToString())
{
musicPath[j] =“”;
}
}
if (listBox1.Items.Count > 0)
{
for (int j = 0; j < myPlyer.currentPlaylist.count; j++)
{
if (listBox1.Items[i].ToString() == Path.GetFileName(myPlyer.currentPlaylist.get_Item(j).sourceURL))
myPlyer.currentPlaylist.removeItem(myPlyer.currentPlaylist.get_Item(j));
}
listBox1.Items.RemoveAt(i);
}
if (i == listBox1.Items.Count)
{
listBox1.SelectedIndex = listBox1.Items.Count – 1;
}
else
{
listBox1.SelectedIndex = i;
}
try
{
File.Delete(s);
}
catch (Exception)
{
MessageBox.Show(“删除文件失败!“, “提示“, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
private void delAllToolStripMenuItem_Click(object sender, EventArgs e) //清空播放列表
{
myPlyer.Ctlcontrols.stop(); //先停止播放器
listBox1.Items.Clear(); //清空listbox
myPlyer.currentPlaylist.clear(); //清空播放列表
for (int j = 0; j < musicCount; j++)
{
musicPath[j] = “”;
}
}
private void Form1_KeyPress(object sender, KeyPressEventArgs e)
{
if (char.Equals(e.KeyChar, \’ \’))
{
if (myPlyer.playState == WMPLib.WMPPlayState.wmppsPlaying)
{
myPlyer.Ctlcontrols.pause();
}
}
}
private void SToolStripMenuItem_Click(object sender, EventArgs e) //顺序播放,默认
{
myPlyer.settings.playCount = 1;
myPlyer.currentPlaylist.clear();
for(int j=0;j<musicCount;j++)
{
if(musicPath[j]!=string.Empty)
{
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count,myPlyer.newMedia(musicPath[j]));
}
}
myPlyer.settings.setMode(“shuffle“, false);
myPlyer.Ctlcontrols.playItem(myPlyer.currentPlaylist.get_Item(0));
}
private void ReplayToolStripMenuItem_Click(object sender, EventArgs e) //单曲循环
{
myPlyer.settings.playCount = 1000;
}
private void RandomToolStripMenuItem_Click(object sender, EventArgs e) //随机播放,重新建立当前播放列表
{
myPlyer.settings.playCount = 1;
myPlyer.Ctlcontrols.stop();
myPlyer.currentPlaylist.clear();
Random rd = new Random(DateTime.Now.Millisecond);
for (int i = 0; i < 1000; i++)
{
int j = rd.Next(0,musicCount – 1);
if (musicPath[j] != string.Empty)
{
myPlyer.currentPlaylist.insertItem(myPlyer.currentPlaylist.count, myPlyer.newMedia(musicPath[j]));
}
}
myPlyer.Ctlcontrols.playItem(myPlyer.currentPlaylist.get_Item(0));
}
}
}
