Đối tượng biểu đồ và hình vẽ

using cAlgo.API;

namespace NewIndicator
{
    [Indicator(IsOverlay = false, AccessRights = AccessRights.None)]
    public class NewIndicator : Indicator
    {
        protected override void Initialize()
        {
            var verticalLine = IndicatorArea.DrawVerticalLine("line", Chart.LastVisibleBarIndex, Color.Red);
        }

        public override void Calculate(int index)
        {
        }
    }
}

var staticText = Chart.DrawStaticText("static", "This is the text that will be shown", VerticalAlignment.Center, HorizontalAlignment.Center, Color.Red);

var verticalLine = Chart.DrawVerticalLine("line", Chart.LastVisibleBarIndex, Color.Red);
// Or
var verticalLine = Chart.DrawVerticalLine("line", Bars.OpenTimes[Chart.LastVisibleBarIndex], Color.Red);

/* We use the maximum of the high prices
of the last ten bars as the Y coordinate. */ 
var horizontalLine = Chart.DrawHorizontalLine("line", Bars.HighPrices.Maximum(10), Color.Red);

/* We draw a line from the low price
 of the first visible bar to the high price
 of the last visible bar on the chart. */
var trendLine = Chart.DrawTrendLine("line", Chart.FirstVisibleBarIndex, Bars.LowPrices[Chart.FirstVisibleBarIndex], Chart.LastVisibleBarIndex, Bars.HighPrices[Chart.LastVisibleBarIndex], Color.Red);

// Alternatively, consider the following.
var trendLine = Chart.DrawTrendLine("line", Bars.OpenTimes[Chart.FirstVisibleBarIndex], Bars.LowPrices[Chart.FirstVisibleBarIndex], Bars.OpenTimes[Chart.LastVisibleBarIndex], Bars.HighPrices[Chart.LastVisibleBarIndex], Color.Red);

var rectangle = Chart.DrawRectangle("rectangle", Chart.FirstVisibleBarIndex + 1, Bars.LowPrices[Chart.FirstVisibleBarIndex + 1], Chart.LastVisibleBarIndex, Bars.HighPrices[Chart.LastVisibleBarIndex], Color.Red);

/* We fill the rectangle with a transparent color.
By using its current color, we only change the alpha
channel. */
rectangle.IsFilled = true;
rectangle.Color = Color.FromArgb(80, rectangle.Color);

var middleX = Chart.FirstVisibleBarIndex + (Chart.LastVisibleBarIndex - Chart.FirstVisibleBarIndex) / 2;
var middleY = Bars.LowPrices[Chart.FirstVisibleBarIndex] + (Bars.HighPrices[Chart.LastVisibleBarIndex] - Bars.LowPrices[Chart.FirstVisibleBarIndex]) / 2;

var triangle = Chart.DrawTriangle("triangle", Chart.FirstVisibleBarIndex, Bars.LowPrices[Chart.FirstVisibleBarIndex], middleX, middleY, Chart.LastVisibleBarIndex, Bars.LowPrices[Chart.FirstVisibleBarIndex], Color.Red);

// We fill the triangle with a transparent color
// by using it's current color, we change only the alpha channel

/* We fill the triangle with a transparent color.
By using its current color, we only change the alpha
channel. */
triangle.IsFilled = true;
triangle.Color = Color.FromArgb(80, triangle.Color);

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

namespace cAlgo
{
    [Indicator(AccessRights = AccessRights.None, IsOverlay = true)]
    public class SimpleRiskReward : Indicator
    {
        protected override void Initialize()
        {
            var type = new ChartRiskRewardFixedRiskType(
                ChartRiskRewardAmountType.BalancePercentage, 
                1                                            
            );
            var tradeType = TradeType.Buy;
            var orderType = OrderType.Market;

            var entryPrice = Chart.Bars.LastBar.Close;
            var time1 = Chart.LastVisibleBarIndex - 20; 
            var time2 = Chart.LastVisibleBarIndex;      

            var rr = Chart.DrawRiskReward(
                "SimpleRR",     
                time1,           
                time2,            
                entryPrice,       
                orderType,        
                tradeType,        
                type              
            );

            rr.IsInteractive = true;

            rr.RiskColor = Color.Yellow;
            rr.RiskLineStyle = LineStyle.DotsRare;
            rr.RiskThickness = 3;

            rr.RewardColor = Color.Blue;
            rr.RewardLineStyle = LineStyle.LinesDots;
            rr.RewardThickness = 2;

            PrintRRInfo(rr);
        }

        private void PrintRRInfo(ChartRiskReward rr)
        {
            Print($"Name: {rr.Name} | Type: {rr.Type.GetType().Name} | Order Type: {rr.OrderType} | Trade Type: {rr.TradeType} | Time 1: {rr.Time1:o} | Time 2: {rr.Time2:o} | Entry: {rr.EntryPrice} | SL: {rr.StopLossPrice} | TP: {rr.TakeProfitPrice} | RR: {rr.RiskRewardRatio} | Volume: {rr.VolumeInUnits}");
        }

        public override void Calculate(int index)
        {
        }
    }
}

using cAlgo.API;
using System.Linq;
namespace NewIndicator
{
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None)]
    public class NewIndicator : Indicator
    {
        protected override void Initialize()
        {
            foreach (var chartObject in Chart.Objects)
            {
                /* If the object is a trend line 
                we change its Y1/2 properties */
                if (chartObject is ChartTrendLine trendLine)
                {
                    trendLine.Y1 = Chart.BottomY;
                    trendLine.Y2 = Chart.TopY;
                }
            }

            /* Here, we filter all objects of the 'ChartRectangle'
            type. */
            var rectangles = from chartObject in Chart.Objects
                             where chartObject is ChartRectangle
                             select chartObject as ChartRectangle;

            /* We select only the chart objects with a name that
            begins with "MyObjects". */
            var myObjects = from chartObject in Chart.Objects
                            where chartObject.Name.StartsWith("MyObjects", System.StringComparison.OrdinalIgnoreCase)
                            select chartObject;

            /* We select only interactive objects. If an object
            is interactive, it will not be removed when the 
            indicator is removed or reloaded. */
            var interactiveObjects = from chartObject in Chart.Objects
                                     where chartObject.IsInteractive
                                     select chartObject;

            /* We remove all objects with a name 
            that begins with "ToRemove". */
            var chartObjectsCopy = Chart.Objects.ToArray();

            foreach (var chartObject in chartObjectsCopy)
            {
                if (chartObject.Name.StartsWith("ToRemove", System.StringComparison.OrdinalIgnoreCase))
                {
                    /* Chart 'RemoveObject' gets the object name
                    as a parameter. */
                    Chart.RemoveObject(chartObject.Name);
                }

            }
        }

        public override void Calculate(int index)
        {
        }
    }
}

using cAlgo.API;

namespace NewIndicator
{
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None)]
    public class NewIndicator : Indicator
    {
        protected override void Initialize()
        {
            Chart.ObjectsAdded += Chart_ObjectsAdded;
            Chart.ObjectsRemoved += Chart_ObjectsRemoved;
            Chart.ObjectsUpdated += Chart_ObjectsUpdated;
            Chart.ObjectsSelectionChanged += Chart_ObjectsSelectionChanged;
            Chart.ObjectHoverChanged += Chart_ObjectHoverChanged;
        }

        private void Chart_ObjectHoverChanged(ChartObjectHoverChangedEventArgs obj) => throw new System.NotImplementedException();

        private void Chart_ObjectsSelectionChanged(ChartObjectsSelectionChangedEventArgs obj) => throw new System.NotImplementedException();

        private void Chart_ObjectsUpdated(ChartObjectsUpdatedEventArgs obj) => throw new System.NotImplementedException();

        private void Chart_ObjectsRemoved(ChartObjectsRemovedEventArgs obj) => throw new System.NotImplementedException();

        private void Chart_ObjectsAdded(ChartObjectsAddedEventArgs obj) => throw new System.NotImplementedException();

        public override void Calculate(int index)
        {
        }
    }
}

using cAlgo.API;

namespace NewIndicator
{
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None)]
    public class NewIndicator : Indicator
    {
        protected override void Initialize()
        {
            var verticalLine = Chart.DrawVerticalLine("line", Chart.LastVisibleBarIndex, Color.Red);

            verticalLine.IsInteractive = true;
        }

        public override void Calculate(int index)
        {
        }
    }
}

using cAlgo.API;

namespace NewIndicator
{
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None)]
    public class NewIndicator : Indicator
    {
        protected override void Initialize()
        {
            var verticalLine = Chart.DrawVerticalLine("line", Chart.LastVisibleBarIndex, Color.Red);

            verticalLine.IsLocked = true;
        }

        public override void Calculate(int index)
        {
        }
    }
}

using cAlgo.API;

namespace NewIndicator
{
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None)]
    public class NewIndicator : Indicator
    {
        protected override void Initialize()
        {
            var verticalLine = Chart.DrawVerticalLine("line", Chart.LastVisibleBarIndex, Color.Red);

            verticalLine.IsHidden = true;
        }

        public override void Calculate(int index)
        {
        }
    }
}

using cAlgo.API;

namespace NewIndicator
{
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None)]
    public class NewIndicator : Indicator
    {
        protected override void Initialize()
        {
            var firstVerticalLine = Chart.DrawVerticalLine("line1", Chart.LastVisibleBarIndex, Color.Red);

            firstVerticalLine.IsInteractive = true;

            var secondVerticalLine = Chart.DrawVerticalLine("line2", Chart.LastVisibleBarIndex, Color.Yellow);

            secondVerticalLine.IsInteractive = true;

            firstVerticalLine.ZIndex = secondVerticalLine.ZIndex + 1;
        }

        public override void Calculate(int index)
        {
        }
    }
}

using cAlgo.API;

namespace NewIndicator
{
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None)]
    public class NewIndicator : Indicator
    {
        private ChartVerticalLine _verticalLine;

        protected override void Initialize()
        {
            _verticalLine = Chart.DrawVerticalLine("line1", Chart.LastVisibleBarIndex, Color.Red);
            _verticalLine.IsInteractive = true;

            Chart.ObjectsRemoved += Chart_ObjectsRemoved;

            Print(_verticalLine.IsAlive);
        }

        private void Chart_ObjectsRemoved(ChartObjectsRemovedEventArgs obj)
        {
            Print(_verticalLine.IsAlive);

            /* If the object is removed, we should rid of its
            reference. Otherwise, it will remain in memory. */
            if (_verticalLine.IsAlive is false)
            {
                _verticalLine = null;

                Print("Object reference removed");
            }
        }

        public override void Calculate(int index)
        {
        }
    }
}