【原】基于Windows Media Player, 写自己的播放器【有源码，可下载整个工程】

最近有客户问我，怎么把Windows Media Player 嵌套在自己的项目中。

以前我在Delphi下玩过Windows Media Player，可是在Microsoft Visual Studio 2008 没有测试过。

到网上搜索了一把，果然得到很多例子。

 

其中CSDN上有个例子写的不错，不过要扣5分【我就不去赚分了，呵呵】，这个是CSDN上地地址：

http://download.csdn.net/source/677561

下载文件名是： Enhanced+Windows+Media+Player+using+VS+2005+in+C#.zip

 

我这个例子就是用这个CSDN上提供的例子，是基于Microsoft Visual Studio 2005下开发的，我只是简单的把这个例子更新到Microsoft Visual Studio 2008 下，不过有点小麻烦，还好，我已经解决了。

 

不多说了，直接上代码，

 

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;
using System.Threading;
using AxWMPLib;

namespace MediaPlayer
{
    
    public partial class Form1 : Form
    {
        public static Form1 form1;
        public string oldPath;
        //To Load all Songs specified in Default Path
        public DelegateLoadSongs m_loadSongs;
        public delegate void DelegateLoadSongs();
        //Thread used in loading all songs in Default Path.
        public Thread execloadSongs;
        public ToolStripMenuItem parentItem;
        //To Add individual song as a New MenuItem
        public DelegateAddSong m_AddSongs;
        public delegate void DelegateAddSong(string path);
        public Form1()
        {
            InitializeComponent();
        }

        private void openToolStripMenuItem_Click(object sender, EventArgs e)
        { 
            //To Select Songs.
            bool isFileExist = false;
            WMPLib.IWMPPlaylistCollection playlistColl;
            WMPLib.IWMPPlaylist playlist = axWindowsMediaPlayer1.newPlaylist("Test", "");
            if (openFileDialog1.ShowDialog() != DialogResult.Cancel)
            {
                //If multiple Songs are selected,
                //than it will create a New Playlist and add those songs to that list and set it as Current PlayList.
                if (openFileDialog1.FileNames.Length > 1)
                {
                    playlistColl = axWindowsMediaPlayer1.playlistCollection;
                    playlist = playlistColl.newPlaylist("Test");
                    if (recentFilesToolStripMenuItem.DropDownItems.Count == 0)
                    {
                        foreach (string f in openFileDialog1.FileNames)
                        {
                            recentFilesToolStripMenuItem.DropDownItems.Add(f, null, recentFilesMenuItem_Click);
                            RecentListcontextMenuStrip.Items.Add(f, null, recentFilesMenuItem_Click);
                            WMPLib.IWMPMedia media = axWindowsMediaPlayer1.newMedia(f);
                            playlist.appendItem(media);
                        }
                    }
                    else
                    {
                        foreach (string f in openFileDialog1.FileNames)
                        {
                            isFileExist = false;
                            WMPLib.IWMPMedia media = axWindowsMediaPlayer1.newMedia(f);
                            playlist.appendItem(media);
                            //To add to Recent Play List.
                            foreach (ToolStripItem item in recentFilesToolStripMenuItem.DropDownItems)
                            {
                                if (item.Text == f)
                                {
                                    isFileExist = true;
                                    break;
                                }
                            }
                            //If selected Song is not Present in Recent Songs List previously,than it will add it.
                            if (!isFileExist)
                            {
                                recentFilesToolStripMenuItem.DropDownItems.Add(f, null, recentFilesMenuItem_Click);
                                RecentListcontextMenuStrip.Items.Add(f, null, recentFilesMenuItem_Click);
                            }
                        }
                    }
                    axWindowsMediaPlayer1.currentPlaylist = playlist;
                    axWindowsMediaPlayer1.Ctlcontrols.play();
                }
                    //This Will add selected song to Recent PlayList and Plays it.
                else if (openFileDialog1.FileNames.Length == 1)
                {
                    axWindowsMediaPlayer1.URL = openFileDialog1.FileName;
                    form1.Text = axWindowsMediaPlayer1.URL;
                    if (recentFilesToolStripMenuItem.DropDownItems.Count == 0)
                    {
                        recentFilesToolStripMenuItem.DropDownItems.Add(openFileDialog1.FileName, null, recentFilesMenuItem_Click);
                        RecentListcontextMenuStrip.Items.Add(openFileDialog1.FileName, null, recentFilesMenuItem_Click);
                    }
                    else
                    {
                        foreach (ToolStripItem item in recentFilesToolStripMenuItem.DropDownItems)
                        {
                            if (item.Text == openFileDialog1.FileName)
                            {
                                isFileExist = true;
                                break;
                            }
                        }
                        if (!isFileExist)
                        {
                            recentFilesToolStripMenuItem.DropDownItems.Add(openFileDialog1.FileName, null, recentFilesMenuItem_Click);
                            RecentListcontextMenuStrip.Items.Add(openFileDialog1.FileName, null, recentFilesMenuItem_Click);
                        }
                    }
                }
                form1.Text = axWindowsMediaPlayer1.URL;
            }
        }
        private void recentFilesMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                //This Will just plays the selected song from Recent PlayList.
                bool isFileExist = false;
                if (File.Exists(((ToolStripItem)sender).Text))
                {
                    axWindowsMediaPlayer1.URL = ((ToolStripItem)sender).Text;
                    form1.Text = ((ToolStripItem)sender).Text;
                    foreach (ToolStripItem item in recentFilesToolStripMenuItem.DropDownItems)
                    {
                        if (item.Text == ((ToolStripItem)sender).Text)
                        {
                            isFileExist = true;
                            break;
                        }
                    }
                    if (!isFileExist)
                    {
                        recentFilesToolStripMenuItem.DropDownItems.Add(((ToolStripItem)sender).Text, null, recentFilesMenuItem_Click);
                        RecentListcontextMenuStrip.Items.Add(((ToolStripItem)sender).Text, null, recentFilesMenuItem_Click);
                    }
                }
            }
            catch { }
        }

        private void playToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Play the selected song.
            axWindowsMediaPlayer1.Ctlcontrols.play();
        }

        private void pauseToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To pause the selected song.
            axWindowsMediaPlayer1.Ctlcontrols.pause();
        }

        private void stopToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Stop the selected song.
            axWindowsMediaPlayer1.Ctlcontrols.stop();
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Exit Application.
            Application.Exit();
        }

        private void topMostToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Show Media Player on top of other Windows.
            if (topMostToolStripMenuItem.Checked)
            {
                topMostToolStripMenuItem.Checked = false;
                form1.TopMost = false;
                form1.ShowInTaskbar = true;
            }
            else
            {
                topMostToolStripMenuItem.Checked = true;
                form1.TopMost = true;
                form1.ShowInTaskbar = false;
            }
        }
        private void opacityToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Set Opacity of the Form.
            if (opacityToolStripMenuItem.Checked)
            {
                opacityToolStripMenuItem.Checked = false;
                form1.Opacity = 1;
            }
            else
            {
                opacityToolStripMenuItem.Checked = true;
                form1.Opacity = 0;
            }
        }
        
        private void showInTaToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Set whether to display Form in TaskBar or not.
            if (showInTaToolStripMenuItem.Checked)
            {
                showInTaToolStripMenuItem.Checked = false;
                form1.ShowInTaskbar = false;
            }
            else
            {
                showInTaToolStripMenuItem.Checked = true;
                form1.ShowInTaskbar = true;
            }
        }

        private void axWindowsMediaPlayer1_MediaError(object sender, AxWMPLib._WMPOCXEvents_MediaErrorEvent e)
        {
            //Generic Error Message.
            MessageBox.Show("Error occured");
        }

        private void showBorderToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Set whether Form Border should be displayed or not.
            if (showBorderToolStripMenuItem.Checked)
            {
                showBorderToolStripMenuItem.Checked = false;
                form1.FormBorderStyle = FormBorderStyle.None;
            }
            else
            {
                showBorderToolStripMenuItem.Checked = true;
                form1.FormBorderStyle = FormBorderStyle.Sizable;
            }
            
        }
        private void notifyIcon1_DoubleClick(object sender, EventArgs e)
        {
            //To Set Visibility of the Form.
            try
            {
                if (form1.Visible)
                {
                    form1.Visible = false;
                    form1.Opacity = 1;
                }
                else
                {
                    form1.Visible = true;
                }
            }
            catch
            { }
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            //To Change NotifyIcon Image.
            try
            {
                Random r = new Random();
                notifyIcon1.Icon = new Icon("..\\..\\Images\\" + r.Next(1,11) + ".ico");
            }
            catch { }
        }

        private void menuStrip1_MouseHover(object sender, EventArgs e)
        {
            //T Show Form Border.
            form1.FormBorderStyle = FormBorderStyle.Sizable;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            //To Load Recent PlayList Items,Default songs Path from the File.
            if (File.Exists(@"c:\Media PlayList\List.txt"))
            {
                StreamReader reader = new StreamReader(@"c:\Media PlayList\List.txt");
                string fname = "";
                while ((fname = reader.ReadLine()) != null)
                {
                    if (!fname.StartsWith("----"))
                    {
                        recentFilesToolStripMenuItem.DropDownItems.Add(fname, null, recentFilesMenuItem_Click);
                        RecentListcontextMenuStrip.Items.Add(fname, null, recentFilesMenuItem_Click);
                    }
                    else
                    {
                        //Default Songs Path.
                        DefaultPathtoolStripTextBox.Text = fname.TrimStart('-');
                        //To Load all songs present in Default Songs Path.
                        DefaultPathtoolStripTextBox_KeyDown(sender, null);
                    }
                }
                reader.Close();
            }
            
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            //To Save Recent PlayList Items,Default Songs Path to the file.
            if (!Directory.Exists(@"c:\Media PlayList"))
            {
                Directory.CreateDirectory(@"c:\Media PlayList");
            }
            File.Delete(@"c:\Media PlayList\List.txt");
            File.Create(@"c:\Media PlayList\List.txt").Close();
            System.IO.StreamWriter writer = new StreamWriter(@"c:\Media PlayList\List.txt");
            foreach (ToolStripMenuItem fItem in recentFilesToolStripMenuItem.DropDownItems)
            {
                writer.WriteLine(fItem.Text);
            }
            writer.WriteLine("----" + DefaultPathtoolStripTextBox.Text.Trim());
            writer.Close();
            //To Kill the thread used to load Default Path Songs.
            if (execloadSongs != null)
            {
                if (execloadSongs.IsAlive)
                {
                    execloadSongs.Abort();
                    execloadSongs = null;
                }
            }
        }

        private void optionsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Show Form Border.
            form1.FormBorderStyle = FormBorderStyle.Sizable;
        }
        private void DeleteFListToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Delete Recent Songs List.
            recentFilesToolStripMenuItem.DropDownItems.Clear();
            File.Delete(@"c:\Media PlayList\List.txt");
        }

        private void axWindowsMediaPlayer1_MouseUpEvent(object sender, _WMPOCXEvents_MouseUpEvent e)
        {
            //To Set Visibility of Form's Border,MenuStrip.
            if (menuStrip1.Visible)
            {
                if (!showBorderToolStripMenuItem.Checked)
                {
                    menuStrip1.Visible = false;
                    form1.FormBorderStyle = FormBorderStyle.None;
                    axWindowsMediaPlayer1.uiMode = "None";
                    axWindowsMediaPlayer1.windowlessVideo = true;
                }
            }
            else
            {
                if (!showBorderToolStripMenuItem.Checked)
                {
                    menuStrip1.Visible = true;
                    form1.FormBorderStyle = FormBorderStyle.Sizable;
                    axWindowsMediaPlayer1.uiMode = "full";
                    axWindowsMediaPlayer1.windowlessVideo = false;
                }
            }
        }
        private void LoadAllSongs()
        {
            try
            {
                //To Load all songs present in Default Songs Path.
                string paths = DefaultPathtoolStripTextBox.Text.Trim();
                string[] allpaths = paths.Split(';');
                foreach (string path in allpaths)
                {
                    m_AddSongs = new DelegateAddSong(this.AddSong);
                    if (Directory.Exists(path))
                    {
                        DirectoryInfo dirinfo1 = new DirectoryInfo(Path.GetDirectoryName(path));
                        Image img = Image.FromFile("..\\..\\Images\\folder.gif");
                        parentItem = SongsListtoolStripMenuItem;
                        form1.getDirs(dirinfo1);
                        if (recursivelyToolStripMenuItem.Checked)
                        {
                            LoadAllSongs(SongsListtoolStripMenuItem);
                        }
                    }
                }
            }
            catch { }
        }
        public void getDirs(DirectoryInfo d)
        {
            //To Load All Directories.
            DirectoryInfo[] dirs = d.GetDirectories("*.*");
            getFiles(d);
            foreach (DirectoryInfo dir in dirs)
            {
                this.Invoke(m_AddSongs, new object[] { dir.FullName });
            }
        }
        public void getFiles(DirectoryInfo d)
        {
            //To Load All Files in a Directory.
            FileInfo[] files;
            files = d.GetFiles("*.*");
            foreach (FileInfo file in files)
            {
                String fileName = file.FullName;
                this.Invoke(m_AddSongs, new object[] { file.FullName + "??" });
            }
        }
        private void LoadAllSongs(ToolStripMenuItem item)
        {
            //Recursion used to load all directory's contents.
            foreach (ToolStripMenuItem item1 in item.DropDownItems)
            {
                if (oldPath != item1.Text)
                {
                    if (item1.Image != null)
                    {
                        parentItem = item1;
                        oldPath = item1.Text;
                        form1.getDirs(new DirectoryInfo(item1.Text));
                        LoadAllSongs(item1);
                    }
                }
            }
        }
        private void AddSong(string path)
        {
            try
            {
                //To add a song to the Default songs LIst
                if (path.EndsWith("??"))
                {
                    //To Add Files without any Image in it.
                    parentItem.DropDownItems.Add(path.TrimEnd('?'), null, recentFilesMenuItem_Click);
                }
                else
                {
                    ToolStripMenuItem item = new ToolStripMenuItem();
                    Image img = Image.FromFile("..\\..\\Images\\folder.gif");
                    item.Text = path.TrimEnd('?');
                    item.Image = img;
                    parentItem.DropDownItems.Add(item);
                }
            }
            catch { }
        }
        private void DefaultPathtoolStripTextBox_KeyDown(object sender, KeyEventArgs e)
        {
            //To Load all Songs,Once Default Songs Path is Changed.
            if (e == null)
            {
                SongsListtoolStripMenuItem.DropDownItems.Clear();
                m_loadSongs = new DelegateLoadSongs(this.LoadAllSongs);
                ThreadStart ts = new ThreadStart(this.m_loadSongs);
                execloadSongs = new Thread(ts);
                execloadSongs.Start();
                return;
            }
            if (e.KeyCode == Keys.Enter)
            {
                SongsListtoolStripMenuItem.DropDownItems.Clear();
                m_loadSongs = new DelegateLoadSongs(this.LoadAllSongs);
                ThreadStart ts = new ThreadStart(this.m_loadSongs);
                execloadSongs = new Thread(ts);
                execloadSongs.Start();
            }
        }

        private void recursivelyToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //To Set whether songs should be loaded recursively in Folders or not.
            if (recursivelyToolStripMenuItem.Checked)
            {
                recursivelyToolStripMenuItem.Checked = false;
            }
            else
            {
                recursivelyToolStripMenuItem.Checked = true;
            }
        }
        private void notifyIcon1_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Middle)
            {
                //To change the Player status on Click on NotifyIcon using Middle Mouse's Button.
                if (axWindowsMediaPlayer1.status != "")
                {
                    if (axWindowsMediaPlayer1.status.ToLower().StartsWith("playing"))
                    {
                        axWindowsMediaPlayer1.Ctlcontrols.pause();
                    }
                    else if (axWindowsMediaPlayer1.status.ToLower().StartsWith("paused"))
                    {
                        axWindowsMediaPlayer1.Ctlcontrols.play();
                    }
                }
            }
        }
    }
}

下面是整个工程， 

http://files.cnblogs.com/OceanChen/WindowsMediaPlayer.rar

注意：在运行工程之前，需要先添加AxInterop.WMPLib.dll，Interop.MediaPlayer.dll，Interop.WMPLib.dll引用