CandleStickSeriesView Class

Represents a series view of the Candle Stick type.

Namespace: DevExpress.XtraCharts

Assembly: DevExpress.XtraCharts.v20.1.dll

Declaration

public class CandleStickSeriesView :
    FinancialSeriesViewBase
Public Class CandleStickSeriesView
    Inherits FinancialSeriesViewBase

Remarks

The CandleStickSeriesView class provides the functionality of a series view of the candle stick type within a chart control.

The CandleStickSeriesView class inherits properties and methods from the base FinancialSeriesViewBase class which defines the common settings of financial series views.

Note that a particular view type can be defined for a series via its SeriesBase.View property.

For more information on series views of the candle stick type please see the Candle Stick Chart topic.

Examples

This example creates a ChartControl with a series of the CandleStickSeriesView type and adds this chart to a form at runtime. Before you proceed with this example, create a Windows Forms Application in Visual Studio and include all necessary assemblies in the References list of your project.

For more information about the features of financial charts, refer to the following help topic: Financial Charting

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using DevExpress.XtraCharts;

namespace CandleStickChart {
    public partial class Form1 : Form {

        private void Form1_Load(object sender, EventArgs e) {
            // Create a new chart.
            ChartControl candlestickChart = new ChartControl();

            // Create a candlestick series.
            Series series1 = new Series("Series 1", ViewType.CandleStick);

            // Bind the series to data.
            series1.DataSource = GetDataPoints();
            series1.SetFinancialDataMembers("Argument", "Low", "High", "Open", "Close");

            // Specify that date-time arguments are expected.
            series1.ArgumentScaleType = ScaleType.DateTime;

            // Add the series to the chart.
            candlestickChart.Series.Add(series1);

            // Customize the series view settings.
            CandleStickSeriesView view = (CandleStickSeriesView)series1.View;

            view.LineThickness = 2;
            view.LevelLineLength = 0.25;

            // Specify the series reduction options.
            view.ReductionOptions.ColorMode = ReductionColorMode.OpenToCloseValue;
            view.ReductionOptions.FillMode = CandleStickFillMode.AlwaysEmpty;
            view.ReductionOptions.Level = StockLevel.Close;
            view.ReductionOptions.Visible = true;

            // Set point colors.
            view.Color = Color.Green;
            view.ReductionOptions.Color = Color.Red;

            // Access the chart's diagram.
            XYDiagram diagram = (XYDiagram)candlestickChart.Diagram;

            // Exclude empty ranges from the X-axis range
            // to avoid gaps in the chart's data.
            diagram.AxisX.DateTimeScaleOptions.SkipRangesWithoutPoints = true;

            // Hide the range without points at the beginning of the y-axis.
            diagram.AxisY.WholeRange.AlwaysShowZeroLevel = false;

            // Hide the legend.
            candlestickChart.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False;

            // Add a title to the chart.
            candlestickChart.Titles.Add(new ChartTitle());
            candlestickChart.Titles[0].Text = "Candlestick Chart";

            // Add the chart to the form.
            candlestickChart.Dock = DockStyle.Fill;
            this.Controls.Add(candlestickChart);
        }

        List<DataPoint> GetDataPoints() {
            List<DataPoint> dataPoints = new List<DataPoint> {
            new DataPoint(DateTime.Now.AddDays(-9), 24.00, 25.00, 25.00, 24.875),
            new DataPoint(DateTime.Now.AddDays(-8), 23.625, 25.125, 24.00, 24.875),
            new DataPoint(DateTime.Now.AddDays(-7), 26.25, 28.25, 26.75, 27.00),
            new DataPoint(DateTime.Now.AddDays(-6), 26.50, 27.875, 26.875, 27.25),

            new DataPoint(DateTime.Now.AddDays(-4), 25.75, 26.875, 26.75, 26.00),
            new DataPoint(DateTime.Now.AddDays(-3), 25.75, 26.75, 26.125, 26.25),
            new DataPoint(DateTime.Now.AddDays(-2), 25.75, 26.375, 26.375, 25.875),
            new DataPoint(DateTime.Now.AddDays(-1), 24.875, 26.125, 26.00, 25.375),
            new DataPoint(DateTime.Now.AddDays(0), 25.125, 26.00, 25.625, 25.75),
            };
            return dataPoints;
        }
    }
    public class DataPoint {
        public DateTime Argument { get; set; }
        public double Low { get; set; }
        public double High { get; set; }
        public double Open { get; set; }
        public double Close { get; set; }
        public DataPoint(DateTime argument, double low, double high, double open, double close) {
            this.Argument = argument;
            this.Low = low;
            this.High = high;
            this.Open = open;
            this.Close = close;
        }
    }
}
See Also