public static void SelectClipsInSpanInTrack(TrackAsset track, double start, double end)
{
var selectionManager = TimelineBase.selectionManager;
var clear = selectionManager.GetMethod("Clear");
var add = selectionManager.GetMethod("Add", new Type[] { typeof(TimelineClip) });
clear.Invoke(null, null);
foreach (var clip in ClipUtils.GetClipsInSpanInTrack(track, start, end))
{
add.Invoke(null, new object[] { clip });
}
TimelineWindowUtils.Repaint();
}