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// 創見打開對話框對象實例
            OpenFileDialog openFileDialog = new OpenFileDialog();

            //設置為可以打開多個文件
            openFileDialog.Multiselect = true;

            //設置打開文件格式
            openFileDialog.Filter = "Mp3文件|*.mp3|Wav文件|*.wav|Wma文件|*.wma|Wmv文件|*.wmv|所有格式|*.*";

            //判斷是否單擊確定按鈕
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                //建立播放列表，名字為aa
                axWindowsMediaPlayer1.currentPlaylist = axWindowsMediaPlayer1.newPlaylist("aa", "");

                //遍歷打開的集合
                foreach (string fn in openFileDialog.FileNames)
                {
                    //添加播放列表
                    axWindowsMediaPlayer1.currentPlaylist.appendItem(axWindowsMediaPlayer1.newMedia(fn));
                }
            }
            //播放
            axWindowsMediaPlayer1.Ctlcontrols.play();
        }