(static) PersistableObject Construct()
      (ctor) ChartItem()
      (ctor) ChartItem( string name, int value )
      string Name( get; set; )
      PersistableType TypeID( get; )
      int Value( get; set; )
      virtual void DeserializeAttributes( PersistanceReader ip )
      virtual void SerializeAttributes( PersistanceWriter op )