private void CleanManagements()
 {
     audiotracksmanagement = null;
     videoadjustmanagement = null;
     subtitlemanagement    = null;
     chaptermanagement     = null;
 }
        private void InitializeComponent()
        {
            audiotracksmanagement = new AudioTracksManagement(_vlcPlayer);
            audiotracksmanagement.LoadData();
            videoadjustmanagement = new VideoAdjustManagement(_vlcPlayer);
            subtitlemanagement    = new SubtitleManagement(_vlcPlayer, this);
            subtitlemanagement.ReloadData();
            chaptermanagement = new ChapterManagement(_vlcPlayer);

            videotracksmanagement = new VideoTracksManagement(_vlcPlayer);
            videotracksmanagement.LoadData();
        }