public static int[] getZoomClipsLevel()
 {
     if (zoomClipsDialog == null)
     {
         zoomClipsDialog = new ZoomClipsDialog();
     }
     zoomClipsDialog.ShowDialog();
     if (needUpdate)
     {
         return new int[] { level0, level1 };
     }
     else
     {
         return null;
     }
 }
 public static int[] getZoomClipsLevel()
 {
     if (zoomClipsDialog == null)
     {
         zoomClipsDialog = new ZoomClipsDialog();
     }
     zoomClipsDialog.ShowDialog();
     if (needUpdate)
     {
         return(new int[] { level0, level1 });
     }
     else
     {
         return(null);
     }
 }