SetChartDrawingOptions-ignores-some-settings-if-there-are-many-drawn-on-the-chart

CODE:
namespace WealthScript
{
    public class MyStrategy : UserStrategyBase
    {
        public override void Initialize(BarHistory bars)
        {
         ChartDisplaySettings cds = new ChartDisplaySettings();
         cds.ShowVolumePane = false;
         cds.PaneSeparatorWidth = 1;
         cds.ColorPaneSeparator = WLColor.Black;
         cds.ShowEventIcons = false;
         cds.DisplayTradeArrows = false;
         SetChartDrawingOptions(cds);
      }

        public override void Execute(BarHistory bars, int idx)
        {
            if (HasOpenPosition(bars, PositionType.Long))
            {
                if (LastOpenPosition.BarsHeld > 2)
                {
                    PlaceTrade(bars, TransactionType.Sell, OrderType.Market);
                }
            }
            else
            {
                if (idx % 5 == 0)
                {
                    PlaceTrade(bars, TransactionType.Buy, OrderType.Market);
                }
            }

            WLColor outer = WLColor.Orange;
            WLColor inner = WLColor.Black;

            DrawDot(idx, bars.Close[idx] * 0.99, outer, 3);
            DrawDot(idx, bars.Close[idx] * 0.99, inner, 1);
        }
    }
}