/// <summary>
        /// Create graphic object for zone.
        /// </summary>
        /// <param name="zone">Source zone.</param>
        /// <returns>Graphic object for zone.</returns>
        public static ZoneGraphicObject Create(Zone zone)
        {
            ZoneGraphicObject graphic = null;

            graphic = new ZoneGraphicObject(zone);

            return(graphic);
        }
        /// <summary>
        /// Create graphic object for zone.
        /// </summary>
        /// <param name="zone">Source zone.</param>
        /// <returns>Graphic object for zone.</returns>
        public static ZoneGraphicObject Create(Zone zone)
        {
            ZoneGraphicObject graphic = null;

            graphic = new ZoneGraphicObject(zone);

            return graphic;
        }