void OnMouseDoubleClick(SelectedFileEventArgs args)
 {
     if (SelectedFileMouseDoubleClick != null)
     {
         SelectedFileMouseDoubleClick(this, args);
     }
 }
        void _recorder_SelectedFileMouseDoubleClick(object sender, SelectedFileEventArgs e)
        {
            var playback = new PlaybackForm(e.FilePath);

            playback.Show();
        }