public void Clear()
 {
     _timeFramesMapper = new Dictionary<BoneActor, ObservableCollection<TimeFrame>>();
     Animation = new SkeletonAnimation(_skeleton);
 }
 public AnimationTimeLineDataSource(Skeleton skeleton)
 {
     _skeleton = skeleton;
     _timeFramesMapper = new Dictionary<BoneActor, ObservableCollection<TimeFrame>>();
     Animation = new SkeletonAnimation(skeleton);
 }