LegendBase.EquallySpacedItems Property
Gets or sets a value indicating whether the legend items are arranged in left-aligned columns.
Namespace: DevExpress.XtraCharts
Assembly: DevExpress.XtraCharts.v23.2.dll
NuGet Package: DevExpress.Charts
Declaration
[XtraChartsLocalizableCategory(XtraChartsCategory.Behavior)]
public bool EquallySpacedItems { get; set; }Property Value
| Type | Description |
|---|---|
| Boolean | true if the legend items are arranged in left-aligned columns; otherwise, false. |
Remarks
Use the EquallySpacedItems property to make legend items equally-spaced with no regard to their content’s length.
Note
The EquallySpacedItems property comes into effect only when the LegendBase.Direction property is set to either LeftToRight or RightToLeft.
The following images demonstrate the EquallySpacedItems property in action.
| EquallySpacedItems = false | EquallySpacedItems = true |
|---|---|
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For more information, refer to Legends.
Example
This example demonstrates how to access a chart’s Legend and customize its appearance at runtime.
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.
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);
}
}
}