Bars

Summary

Represents the Bars interface - the collection of Bar objects.

Syntax

public interface Bars : IEnumerable

Members

Name	Type	Summary
BarOpened	Event	Occurs when the last bar is closed and a new bar is opened.
ClosePrices	Property	Gets the Close price bars data.
Count	Property	Gets the number of bars.
HighPrices	Property	Gets the High price bars data.
HistoryLoaded	Event	Occurs when more history is loaded due to chart scroll on the left or due to API call.
Last	Method	Gets the bar from the end of the collection.
LastBar	Property	Gets the last bar in the chart.
LoadMoreHistory	Method	Loads more historical bars. Method returns the number of loaded bars that were added to the beginning of the collection.
LoadMoreHistoryAsync	Method	Loads more historical bars asynchronously.
LowPrices	Property	Gets the Low price bars data.
MedianPrices	Property	Gets the Median prices data.
OpenPrices	Property	Gets the Open price bars data.
OpenTimes	Property	Gets the open bar time data.
Reloaded	Event	Occurs when bars are refreshed due to reconnect.
SymbolName	Property	Gets the symbol name.
this[int index]	Property
Tick	Event	Occurs when a new Tick arrives.
TickVolumes	Property	Gets the Tick volumes data.
TimeFrame	Property	Get the timeframe.
TypicalPrices	Property	Gets the Typical prices data.
WeightedPrices	Property	Gets the Weighted prices data.

Example 1

using cAlgo.API;
using System;
namespace cAlgo
{
    // A sample indicator that shows how to use Bars
    [Indicator(IsOverlay = false, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class BarsSample : Indicator
    {
        private TextBlock _barTicksNumberTextBlock, _barsStateTextBlock;
        [Output("Range", LineColor = "RoyalBlue")]
        public IndicatorDataSeries Range { get; set; }
        [Output("Body", LineColor = "Yellow")]
        public IndicatorDataSeries Body { get; set; }
        protected override void Initialize()
        {
            // Bars events
            Bars.BarOpened += Bars_BarOpened;
            Bars.Tick += Bars_Tick;
            Bars.HistoryLoaded += Bars_HistoryLoaded;
            Bars.Reloaded += Bars_Reloaded;
            var grid = new Grid(2, 2)
            {
                BackgroundColor = Color.DarkGoldenrod,
                HorizontalAlignment = HorizontalAlignment.Right,
                VerticalAlignment = VerticalAlignment.Top,
                Opacity = 0.5
            };
            grid.AddChild(new TextBlock
            {
                Text = "Bar Ticks #",
                Margin = 5
            }, 0, 0);
            _barTicksNumberTextBlock = new TextBlock
            {
                Text = "0",
                Margin = 5
            };
            grid.AddChild(_barTicksNumberTextBlock, 0, 1);
            grid.AddChild(new TextBlock
            {
                Text = "Bars State",
                Margin = 5
            }, 1, 0);
            _barsStateTextBlock = new TextBlock
            {
                Margin = 5
            };
            grid.AddChild(_barsStateTextBlock, 1, 1);
            IndicatorArea.AddControl(grid);
        }
        private void Bars_Reloaded(BarsHistoryLoadedEventArgs obj)
        {
            _barsStateTextBlock.Text = "Reloaded";
        }
        private void Bars_HistoryLoaded(BarsHistoryLoadedEventArgs obj)
        {
            _barsStateTextBlock.Text = "History Loaded";
        }
        private void Bars_Tick(BarsTickEventArgs obj)
        {
            _barTicksNumberTextBlock.Text = Bars.TickVolumes.LastValue.ToString();
        }
        private void Bars_BarOpened(BarOpenedEventArgs obj)
        {
            _barsStateTextBlock.Text = "New Bar Opened";
        }
        public override void Calculate(int index)
        {
            Range[index] = Bars.HighPrices[index] - Bars.LowPrices[index];
            Body[index] = Math.Abs(Bars.ClosePrices[index] - Bars.OpenPrices[index]);
        }
    }
}

Reference