windowsforms-devexpress-dot-xtracharts-dot-chartcontrol-227053ac.md
Gets the chart control’s diagram and provides access to its settings.
Namespace : DevExpress.XtraCharts
Assembly : DevExpress.XtraCharts.v25.2.UI.dll
NuGet Package : DevExpress.Win.Charts
[ResetNotSupported]
public Diagram Diagram { get; set; }
<ResetNotSupported>
Public Property Diagram As Diagram
| Type | Description |
|---|---|
| Diagram |
A Diagram object that represents the chart control’s diagram.
|
Note that you can’t set the Diagram property manually. It’s available to be set for serialization purposes only. For more information on the chart control’s diagram see the Diagram topic and the Diagram object’s description.
The following example demonstrates how to create a ChartControl with two series of the SideBySideBarSeriesView type, and add this chart to a form at runtime. Before proceeding with this example, first create a Windows Forms Application in Visual Studio, and include all necessary assemblies to the References list of your project.
Then, add the following code to the Form.Load event handler.
using System;
using System.Windows.Forms;
using DevExpress.XtraCharts;
// ...
namespace SideBySideBar2D {
public partial class Form1 : Form {
public Form1() {
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e) {
// Create an empty chart.
ChartControl sideBySideBarChart = new ChartControl();
// Create the first side-by-side bar series and add points to it.
Series series1 = new Series("Side-by-Side Bar Series 1", ViewType.Bar);
series1.Points.Add(new SeriesPoint("A", 10));
series1.Points.Add(new SeriesPoint("B", 12));
series1.Points.Add(new SeriesPoint("C", 14));
series1.Points.Add(new SeriesPoint("D", 17));
// Create the second side-by-side bar series and add points to it.
Series series2 = new Series("Side-by-Side Bar Series 2", ViewType.Bar);
series2.Points.Add(new SeriesPoint("A", 15));
series2.Points.Add(new SeriesPoint("B", 18));
series2.Points.Add(new SeriesPoint("C", 25));
series2.Points.Add(new SeriesPoint("D", 33));
// Add the series to the chart.
sideBySideBarChart.Series.Add(series1);
sideBySideBarChart.Series.Add(series2);
// Hide the legend (if necessary).
sideBySideBarChart.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False;
// Rotate the diagram (if necessary).
((XYDiagram)sideBySideBarChart.Diagram).Rotated = true;
// Add a title to the chart (if necessary).
ChartTitle chartTitle1 = new ChartTitle();
chartTitle1.Text = "Side-by-Side Bar Chart";
sideBySideBarChart.Titles.Add(chartTitle1);
// Add the chart to the form.
sideBySideBarChart.Dock = DockStyle.Fill;
this.Controls.Add(sideBySideBarChart);
}
}
}
Imports System
Imports System.Windows.Forms
Imports DevExpress.XtraCharts
' ...
Namespace SideBySideBar2D
Partial Public Class Form1
Inherits Form
Public Sub New()
InitializeComponent()
End Sub
Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load
' Create an empty chart.
Dim sideBySideBarChart As New ChartControl()
' Create the first side-by-side bar series and add points to it.
Dim series1 As New Series("Side-by-Side Bar Series 1", ViewType.Bar)
series1.Points.Add(New SeriesPoint("A", 10))
series1.Points.Add(New SeriesPoint("B", 12))
series1.Points.Add(New SeriesPoint("C", 14))
series1.Points.Add(New SeriesPoint("D", 17))
' Create the second side-by-side bar series and add points to it.
Dim series2 As New Series("Side-by-Side Bar Series 2", ViewType.Bar)
series2.Points.Add(New SeriesPoint("A", 15))
series2.Points.Add(New SeriesPoint("B", 18))
series2.Points.Add(New SeriesPoint("C", 25))
series2.Points.Add(New SeriesPoint("D", 33))
' Add the series to the chart.
sideBySideBarChart.Series.Add(series1)
sideBySideBarChart.Series.Add(series2)
' Hide the legend (if necessary).
sideBySideBarChart.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False
' Rotate the diagram (if necessary).
CType(sideBySideBarChart.Diagram, XYDiagram).Rotated = True
' Add a title to the chart (if necessary).
Dim chartTitle1 As New ChartTitle()
chartTitle1.Text = "Side-by-Side Bar Chart"
sideBySideBarChart.Titles.Add(chartTitle1)
' Add the chart to the form.
sideBySideBarChart.Dock = DockStyle.Fill
Me.Controls.Add(sideBySideBarChart)
End Sub
End Class
End Namespace
The following code snippets (auto-collected from DevExpress Examples) contain references to the Diagram 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.
winforms-charts-show-chart-legend-with-markers-in-separate-control/CS/Form1.cs#L58
{
XYDiagram2D diagram = chart.Diagram as XYDiagram2D;
if (diagram != null)
winforms-visualize-data-grid-rows-in-a-chart/CS/ControlRowSourceSample/MainForm.cs#L35
XYDiagram diagram = (XYDiagram)chartControl.Diagram;
diagram.AxisY.Label.TextPattern = "{V:C0}";
winforms-charts-create-model-for-custom-chart-element/CS/CustomChartElementModel/Form1.cs#L127
XYDiagram diagram = chart.Diagram as XYDiagram;
diagram.AxisX.Label.TextPattern = "{A:MMM, d (HH:mm)}";
if(e.ChartControl != null)
UpdateChartScaleBreaks(designer.Dashboard.Items[e.DashboardItemName], e.ChartControl.Diagram);
}
MultiPaneSettings settings = MultiPaneSettings.FromJson(chartItem.CustomProperties[customPropertyName]);
CustomizeDiagram(e.ChartControl.Diagram as XYDiagram, e.ChartControl.Series, settings);
}
winforms-charts-show-chart-legend-with-markers-in-separate-control/VB/Form1.vb#L54
If currentSeries IsNot Nothing Then
Dim diagram As XYDiagram2D = TryCast(chart.Diagram, XYDiagram2D)
If diagram IsNot Nothing Then diagram.DefaultPane.Visibility = ChartElementVisibility.Hidden
winforms-visualize-data-grid-rows-in-a-chart/VB/ControlRowSourceSample/MainForm.vb#L32
seriesTemplate.SummaryFunction = "SUM([Revenue])"
Dim diagram As XYDiagram = CType(chartControl.Diagram, XYDiagram)
diagram.AxisY.Label.TextPattern = "{V:C0}"
winforms-charts-create-model-for-custom-chart-element/VB/CustomChartElementModel/Form1.vb#L185
chart.Titles.Add(chartTitle)
Dim diagram As XYDiagram = TryCast(chart.Diagram, XYDiagram)
diagram.AxisX.Label.TextPattern = "{A:MMM, d (HH:mm)}"
If e.ChartControl IsNot Nothing Then
UpdateChartScaleBreaks(designer.Dashboard.Items(e.DashboardItemName), e.ChartControl.Diagram)
End If
Dim settings As MultiPaneSettings = MultiPaneSettings.FromJson(chartItem.CustomProperties(customPropertyName))
CustomizeDiagram(TryCast(e.ChartControl.Diagram, XYDiagram), e.ChartControl.Series, settings)
End Sub
See Also