How to adjust indicator values to show correctly in chart

Dear Spotware,

I have this long problem that when I make the IsOverlay method to "true", the indicator shows up on the chart but the price disappeared on the chart.

using System;
using cAlgo.API;
using cAlgo.API.Indicators;

namespace cAlgo.Indicators
{
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None, AutoRescale = true, ScalePrecision = 0)]
    public class test : Indicator
    {

        [Output("ADX", Color = Colors.DarkBlue, Thickness = 2)]
        public IndicatorDataSeries adxr { get; set; }

        [Output("DIMinus", Color = Colors.Red)]
        public IndicatorDataSeries diminus { get; set; }

        [Output("DIPlus", Color = Colors.Green)]
        public IndicatorDataSeries diplus { get; set; }

        private DirectionalMovementSystem adx;


        protected override void Initialize()
        {
            adx = Indicators.DirectionalMovementSystem(21);
        }

        public override void Calculate(int index)
        {
            adxr[index] = adx.ADX[index];
            diminus[index] = adx.DIMinus[index];
            diplus[index] = adx.DIPlus[index];
        }
    }
}

But when I set the IsOverlay method back to "false", the indicator shows up properly on separate window and the price restored as normal.

using System;
using cAlgo.API;
using cAlgo.API.Indicators;

namespace cAlgo.Indicators
{
    [Indicator(IsOverlay = false, AccessRights = AccessRights.None, AutoRescale = true, ScalePrecision = 0)]
    public class test : Indicator
    {

        [Output("ADX", Color = Colors.DarkBlue, Thickness = 2)]
        public IndicatorDataSeries adxr { get; set; }

        [Output("DIMinus", Color = Colors.Red)]
        public IndicatorDataSeries diminus { get; set; }

        [Output("DIPlus", Color = Colors.Green)]
        public IndicatorDataSeries diplus { get; set; }

        private DirectionalMovementSystem adx;


        protected override void Initialize()
        {
            adx = Indicators.DirectionalMovementSystem(21);
        }

        public override void Calculate(int index)
        {
            adxr[index] = adx.ADX[index];
            diminus[index] = adx.DIMinus[index];
            diplus[index] = adx.DIPlus[index];
        }
    }
}

What do you think is the problem?

How can I make both the indicator and price action shows up on the chart as normal when IsOverlay method to "true".

Thank you.