HeatmapControl.Diagram Property

Gets or sets the Heatmap Control’s diagram.

Namespace: DevExpress.XtraCharts.Heatmap

Assembly: DevExpress.XtraCharts.v23.2.UI.dll

NuGet Package: DevExpress.Win.Charts

Declaration

C#

public HeatmapDiagram Diagram { get; }

VB.NET

Public ReadOnly Property Diagram As HeatmapDiagram

Property Value

Type	Description
HeatmapDiagram	Contains diagram options.

Remarks

A diagram is the Heatmap Control’s area that is used to draw heatmap cells.

The following images show the heatmap diagram with different appearance settings:

A diagram with default settings:

A diagram’s BackColor=LightGray; BorderColor=Gray:

C#

using DevExpress.XtraCharts;
using DevExpress.XtraCharts.Heatmap;
using System.Drawing;

namespace HeatmapChartApp {
    public partial class Form1 : Form {
        public Form1() {
            InitializeComponent();
            //...
            heatmap.Diagram.BorderVisible = true;
            heatmap.Diagram.BorderColor = Color.Gray;
            heatmap.Diagram.BackColor = Color.LightGray;
        }
    }
}

VB.NET

Imports DevExpress.XtraCharts
Imports DevExpress.XtraCharts.Heatmap
Imports System.Drawing

Namespace HeatmapChartApp
    Public Partial Class Form1
        Inherits Form

        Public Sub New()
            InitializeComponent()
            '...
            heatmap.Diagram.BorderVisible = True
            heatmap.Diagram.BorderColor = Color.Gray
            heatmap.Diagram.BackColor = Color.LightGray
        End Sub
    End Class
End Namespace