public override void Changed()
 {
     _objects = null;
     if (this.Parent != null)
     {
         this.Parent.Changed();
     }
 }
 public DTObjects GetObjects()
 {
     if (_objects == null)
     {
         _objects = DTOPool.CreateDTOjects(Items, this.IsPinned);
     }
     return(_objects);
 }