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V24.2

LegendBase.MarkerSize Property

Gets or sets the marker’s height and width.

Namespace: DevExpress.XtraCharts

Assembly: DevExpress.XtraCharts.v24.2.dll

Declaration

[XtraChartsLocalizableCategory(XtraChartsCategory.Appearance)]
public Size MarkerSize { get; set; }

Property Value

Type Description
Size

A Size structure which specifies the marker’s height and width, in pixels.

Remarks

The following images demonstrate the MarkerSize property in action.

MarkerSize = 20, 16 (default) MarkerSize = 24, 24 (custom)
MarkerVisible_true MarkerSize_24_24

For more information, refer to Legends.

Example

This example demonstrates how to access a chart’s Legend and customize its appearance at runtime.

Custom Chart Legend

To specify whether series, indicators, Constant Lines, and Strips should be shown in the legend, set their SeriesBase.ShowInLegend, Indicator.ShowInLegend, ConstantLine.ShowInLegend, and Strip.ShowInLegend properties to true.

View Example

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

namespace ChartLegend {
    public partial class Form1 : Form {
        public Form1() {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e) {
            // Create an empty chart.
            ChartControl chartControl1 = new ChartControl();

            // Create a series and add points to it.
            Series series1 = new Series("Series 1", ViewType.Bar);
            series1.Points.Add(new SeriesPoint("A", new double[] { 4 }));
            series1.Points.Add(new SeriesPoint("B", new double[] { 2 }));
            series1.Points.Add(new SeriesPoint("C", new double[] { 17 }));
            series1.Points.Add(new SeriesPoint("D", new double[] { 4 }));
            series1.Points.Add(new SeriesPoint("E", new double[] { 17 }));
            series1.Points.Add(new SeriesPoint("F", new double[] { 12 }));
            series1.Points.Add(new SeriesPoint("G", new double[] { 15 }));

            // Add the series to the chart.
            chartControl1.Series.Add(series1);

            // Create a constant line (optional).
            ConstantLine constantLine1 = new ConstantLine("Constant Line 1");
            ((XYDiagram)chartControl1.Diagram).AxisY.ConstantLines.Add(constantLine1);
            constantLine1.AxisValue = 4.5;

            // Create a strip (optional).
            Strip strip1 = new Strip("Strip 1");
            ((XYDiagram)chartControl1.Diagram).AxisY.Strips.Add(strip1);
            strip1.MaxLimit.AxisValue = 15;
            strip1.MinLimit.AxisValue = 7.5;

            // Customize the strip's and constant line's legend appearance.
            strip1.ShowInLegend = true;
            constantLine1.ShowInLegend = true;
            constantLine1.LegendText = "Some Threshold";

            // Display the chart control's legend.
            chartControl1.Legend.Visibility = DevExpress.Utils.DefaultBoolean.True;

            // Define its horizontal and vertical alignment.
            chartControl1.Legend.AlignmentHorizontal = LegendAlignmentHorizontal.RightOutside;
            chartControl1.Legend.AlignmentVertical = LegendAlignmentVertical.Top;

            // Define the layout of items within the legend.
            chartControl1.Legend.Direction = LegendDirection.LeftToRight;
            chartControl1.Legend.EquallySpacedItems = true;
            chartControl1.Legend.HorizontalIndent = 4;
            chartControl1.Legend.VerticalIndent = 4;
            chartControl1.Legend.TextOffset = 4;

            // Define the limits for the legend to occupy the chart's space.
            chartControl1.Legend.MaxHorizontalPercentage = 50;
            chartControl1.Legend.MaxVerticalPercentage = 50;

            // Define the legend markers' options.
            chartControl1.Legend.MarkerVisible = true;
            chartControl1.Legend.MarkerSize = new Size(20, 20);

            // Customize the legend appearance.
            chartControl1.Legend.BackColor = Color.LightBlue;
            chartControl1.Legend.FillStyle.FillMode = FillMode.Empty;

            chartControl1.Legend.Border.Color = Color.DarkBlue;
            chartControl1.Legend.Border.Thickness = 2;
            chartControl1.Legend.Border.Visibility = DevExpress.Utils.DefaultBoolean.True;

            chartControl1.Legend.Shadow.Visible = true;
            chartControl1.Legend.Shadow.Color = Color.LightGray;
            chartControl1.Legend.Shadow.Size = 2;

            // Customize the legend text properties.
            chartControl1.Legend.EnableAntialiasing = DevExpress.Utils.DefaultBoolean.False;
            chartControl1.Legend.DXFont = new DXFont("Tahoma", 9, DXFontStyle.Bold);
            chartControl1.Legend.TextColor = Color.DarkBlue;

            // Add the chart to the form.
            chartControl1.Dock = DockStyle.Fill;
            this.Controls.Add(chartControl1);
        }
    }
}

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the MarkerSize property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

See Also