/// <summary>
        /// 开始播放
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menu_Play_PreviewMouseDown(object sender, RoutedEventArgs e)
        {
            string url = music.GetMusicUrl(musicinfo[List.SelectedIndex].Api, musicinfo[List.SelectedIndex].Id);

            if (string.IsNullOrEmpty(url))
            {
                AduMessageBox.Show("播放失败", "提示", MessageBoxButton.OK);
                return;
            }
            CurrentMusicLabel.Text = musicinfo[List.SelectedIndex].Title + " - " + musicinfo[List.SelectedIndex].Singer;


            playlist.Clear();
            for (int i = 0; i < musicinfo.Count; i++)
            {
                CurrentMusicInfo cmi = new CurrentMusicInfo {
                    Api = musicinfo[i].Api, Id = musicinfo[i].Id, Title = musicinfo[i].Title, Singer = musicinfo[i].Singer
                };
                playlist.Add(cmi);
            }

            currentmusicindex = List.SelectedIndex;
            player.Open(new Uri(url));
            player.Play();
            timer.Elapsed  += Timer_Elapsed;
            timer.Enabled   = true;
            timer.AutoReset = true;
            isPlaying       = true;
            CtrlButton.Text = "\xe61d";
        }
        private void finish_load_music(string url, string text, int move_music_index)
        {
            this.Dispatcher.Invoke(new Action(() =>
            {
                player.Open(new Uri(url));
                player.Play();
                timer.Elapsed         += Timer_Elapsed;
                timer.Enabled          = true;
                timer.AutoReset        = true;
                isPlaying              = true;
                CtrlButton.Text        = "\xe61d";
                CurrentMusicLabel.Text = text;
                if (move_music_index == -1)
                {
                    currentmusicindex--;
                }
                else if (move_music_index == -2)
                {
                    currentmusicindex++;
                }
                else if (move_music_index >= 0)
                {
                    playlist.Clear();
                    for (int i = 0; i < musicinfo.Count; i++)
                    {
                        CurrentMusicInfo cmi = new CurrentMusicInfo {
                            Api = musicinfo[i].Api, Id = musicinfo[i].Id, Title = musicinfo[i].Title, Singer = musicinfo[i].Singer
                        };
                        playlist.Add(cmi);
                    }

                    currentmusicindex = move_music_index;
                }
                LoadingState.Text = "";
            }));
        }