void OnMouseUp(MouseUpEvent evt)
        {
            var track = target as Track;

            if (track != null && track.item != null)
            {
                m_ExtraViewPanel.Clear();
                track.item.OnClick(m_ExtraViewPanel, m_TimeConverter.PixelToTime(evt.mousePosition.x));
            }
        }
 public float GetTimeForPixel(float pixel)
 {
     return(m_TimeConverter.PixelToTime(pixel));
 }