public ThisChangeable(ThisDataContainer container, string type)
            : base(container)
        {
            this.container = container;
            this.type = type;

            Entity = container.Entity;
            container.EntityChanged += OnEntityChanged;
        }
 public ThisEntityValueReader(ThisDataContainer container, string key)
 {
     this.container = container;
     this.key = key;
 }