public override void Reset()
		{
			base.Reset();
			if (mMarker == null) mMarker = new Marker(null);
			if (mPolyLine == null) mPolyLine = new Polyline(null);
		}
		public override void Reset()
		{
			base.Reset();
			if (_marker == null) _marker = new Marker(null);
			if (_curvedline == null) _curvedline = new Curvedline(null);
		}