C#调用Windows Media Player制作播放器

右击工具箱->选择项 -> 显示"选择工具箱项" -> COM组件 -> Windows Media Player  wmp.dll 添加

 

MyMediaPlayer窗体

 public  static string path = "";//记录文件完整路径
        string duration = "";//当前文件播放的时间
        int width = 0;//播放文件的宽度
        int height = 0;//播放文件的高度
        //存放路径key为文件名，value为完整路径
        private Dictionary<string, string> pathList = new Dictionary<string,string>();
        private void 打开文件ToolStripMenuItem_Click(object sender, EventArgs e)
        {

         
            this.OpenFile();
            //清除播放列表中所有的值
            this.listView1.Items.Clear();
            //清除集合
            pathList.Clear();
            //添加到Listview中
            listViewUpdate(Path.GetFileName(path), path);
            //播放
            axWmp.URL = path;
            //当打开播放文件，启动timer控件，得到文件的时间，和宽度高度。
            //如果放在当前位置，得到的数值为0，
            //可能因为媒体文件的打开需要一定时间，这里等待媒体文件的打开
             timer1.Start();
           

        }
        private void OpenFile() {
            //打开一个文件
            OpenFileDialog ofd = new OpenFileDialog();
            DialogResult dr = ofd.ShowDialog();
            if (dr == DialogResult.Cancel)
            { //取消打开
                return;
            }
            //否则记录打开路径
            path = ofd.FileName;
        
          
        }
        private void 属性ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //只记录文件名
            //String s=Path.GetFileNameWithoutExtension(path);
            //记录文件名和扩展名
            string ss = Path.GetFileName(path);
            //播放文件的信息
            MusicInfo mi = new MusicInfo(ss,duration,width,height);
            mi.ShowDialog();
           
           
        }
        private void 播放ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            //播放文件
            this.axWmp.Ctlcontrols.play();
           
        }

        private void 暂停ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //暂停播放
            this.axWmp.Ctlcontrols.pause();
        }

        private void 停止ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.axWmp.Ctlcontrols.stop();
            //清除图像，等待就须状态
            this.axWmp.close();
        }

        private void 升高音量ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.axWmp.settings.volume += 5;
           
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
         //得到文件播放总时间和大小
            duration = this.axWmp.currentMedia.durationString;
            width = axWmp.currentMedia.imageSourceWidth;
            height = axWmp.currentMedia.imageSourceHeight;
           
        }

        private void 降低音量ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.axWmp.settings.volume -= 5;
        }

        private void 静音ToolStripMenuItem_Click(object sender, EventArgs e)
        {
           // this.axWmp.settings.volume = 0;
            if (this.axWmp.settings.mute == true) {//true代表静音
                this.axWmp.settings.mute =false;　
            }
            else if (this.axWmp.settings.mute == false) {
                this.axWmp.settings.mute = true;
            }
           　　　　　　　
        }

        private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

 
        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            //选择一个文件
            this.OpenFile();
            //打开路径取出文件名及其扩展名
            string musicFileName = Path.GetFileName(path);
            listViewUpdate(musicFileName,path);

        }
        //添加到listview
        //文件名和文件完整路径名
        private void listViewUpdate(string name,string path) {
            //判断是否包含键值
            if (pathList.ContainsKey(name)) {//包含返回真
                return;
            }
            pathList.Add(name, path);

            ListViewItem lvi = new ListViewItem(name);
            listView1.Items.Add(lvi);
         

        }

        private void listView1_DoubleClick(object sender, EventArgs e)
        {
            //通过文件名，获得完整路径
            this.axWmp.URL =pathList[listView1.SelectedItems[0].Text];
        }

        private void linkLabel2_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            //删除播放列表项
            //1首先删除集合中的值，然后删除Listview
            if (listView1.SelectedItems.Count == 0) {
                return;
            }
            pathList.Remove(listView1.SelectedItems[0].Text);
            //从listview1中删除
            //删除以后还能播放
            this.listView1.Items.Remove(listView1.SelectedItems[0]);
           
        }

        private void 关于ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            About a = new About();
            a.ShowDialog();
        }
 
MusicInfo窗体

  private string Info="";//获取另一个窗口的信息
        private string Duration;
        private int Width=0;
        private int Height=0;
        public MusicInfo(string info,string duration,int width,int height) {
            Info = info;
            Duration = duration;
            Width = width;
            Height = height;
            InitializeComponent();
        }

        private void Form2_Load(object sender, EventArgs e)
        {
            //判断是否有文件播放
            if (String.IsNullOrEmpty(Info))
            {
                this.lblFileName.Text = "无播放文件";
            }
            else {
                this.lblFileName.Text = Info;
            }

            //Graphics gh = this.CreateGraphics();
            //gh.DrawLine(Pens.Blue, new Point(100, 10), new Point(100, 300));
            //判断文件类型
            string Extensiona = Path.GetExtension(Info);
            if (Extensiona == ".wmv")
            {
                this.lblFileType.Text = "视频";
            }
            else {
                this.lblFileType.Text = "音频";
            }
            //获取文件大小
            if (string.IsNullOrEmpty(Info))
            {
                this.lblFileSize.Text = "0MB";

            }
            else {
                FileInfo fi = new FileInfo(Info);
                long fileSize = fi.Length / 1024 / 1024;
                this.lblFileSize.Text = fileSize + "MB";
            }
         
         
            //当前播放时间
            this.lblDuration.Text = Duration;

            //分辨率
            if (Width == 0 &&Height == 0) {
                lblResolution.Text = "无视频";
            }
            this.lblResolution.Text = Width + "x" + Height;
            //详细路径
            //第二种方法获得另一个窗体的路径
            //当创建新的对象path路径为空，做静态成员
           // MyMediaPlayer MP = new MyMediaPlayer();
            this.lblFilePositon.Text =MyMediaPlayer.path;

        }