private void PreviosTrack()
        {
            if (SelectRecord != null)
            {
                int Current_index = RecordCollection.IndexOf(SelectRecord);
                if (Current_index < RecordCollection.Count || Current_index > 1)
                {
                    SelectRecord = RecordCollection.FindByIndex(--Current_index);
                    Dispose();

                    Play();
                }
            }
        }