HeatmapLabel.TextOrientation Property

Gets or sets the text orientation for heatmap labels.

Namespace: DevExpress.XtraCharts.Heatmap

Assembly: DevExpress.XtraCharts.v25.1.dll

NuGet Package: DevExpress.Charts

Declaration

C#

[XtraChartsLocalizableCategory(XtraChartsCategory.Behavior)]
public HeatmapTextOrientation TextOrientation { get; set; }

VB.NET

<XtraChartsLocalizableCategory(XtraChartsCategory.Behavior)>
Public Property TextOrientation As HeatmapTextOrientation

Property Value

Type	Description
HeatmapTextOrientation	Specifies text orientation.

Available values:

Name	Description
Horizontal	Text is horizontally orientated from left to right.
TopToBottom	Text is vertically orientated from top to bottom.
BottomToTop	Text is vertically orientated from bottom to top.

Example

The following example shows how to configure heatmap cell label settings such as format, font, color, and so on.

Use the HeatmapControl.Label property to access label settings:

C#

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

namespace HeatmapMatrixAdapterSample {
    public partial class Form1 : Form {
        public Form1() {
            InitializeComponent();

            HeatmapControl heatmap = new HeatmapControl();
            this.Controls.Add(heatmap);

            heatmap.Dock = DockStyle.Fill;

            HeatmapMatrixAdapter dataAdapter = new HeatmapMatrixAdapter();
            dataAdapter.XArguments = new string[] { "North", "South", "West", "East", "Central" };
            dataAdapter.YArguments = new string[] { "Components", "Clothing", "Bikes", "Accessories" };
            dataAdapter.Values = new double[,] {
                { 21.3, 50.1, 63.2, 64.4, 33.4 },
                { 32.3, 54.4, 81.3, 53.4, 54.9 },
                { 60.3, 49.1, 42.6, 48.4, 65.4 },
                { 45.3, 54.7, 70.3, 66.4, 56.6 }
            };
            heatmap.DataAdapter = dataAdapter;
            Palette palette = new Palette("Custom") { Color.White, Color.SkyBlue, Color.DarkBlue };
            RangeColorProvider colorProvider = new RangeColorProvider() { Palette = palette, ApproximateColors = true };
            colorProvider.RangeStops.Add(new Unit(0, UnitType.Percentage));
            colorProvider.RangeStops.Add(new Unit(20, UnitType.Absolute));
            colorProvider.RangeStops.Add(new Unit(40, UnitType.Absolute));
            colorProvider.RangeStops.Add(new Unit(60, UnitType.Absolute));
            colorProvider.RangeStops.Add(new Unit(90, UnitType.Absolute));
            colorProvider.RangeStops.Add(new Unit(1, UnitType.Percentage));
            dataAdapter.ColorProvider = colorProvider;

            HeatmapLabel label = heatmap.Label;
            label.Visible = true;
            label.Pattern = "{V:f0}";
            label.BackColor = Color.White;
            label.Color = Color.Black;
            label.DXFont = new DXFont("SegoeUI", 10);
            label.TextOrientation = HeatmapTextOrientation.Horizontal;
            label.Border.Visibility = DefaultBoolean.True;
            label.Border.Color = Color.DarkGray;
            label.Border.Thickness = 2;
        }
    }
}

VB.NET

Imports DevExpress.Drawing
Imports DevExpress.XtraCharts
Imports DevExpress.XtraCharts.Heatmap
Imports System
Imports System.Drawing
Imports System.Windows.Forms

Namespace HeatmapMatrixAdapterSample
    Public Partial Class Form1
        Inherits Form

        Public Sub New()
            InitializeComponent()
            Dim heatmap As HeatmapControl = New HeatmapControl()
            Me.Controls.Add(heatmap)
            heatmap.Dock = DockStyle.Fill
            Dim dataAdapter As HeatmapMatrixAdapter = New HeatmapMatrixAdapter()
            dataAdapter.XArguments = New String() {"North", "South", "West", "East", "Central"}
            dataAdapter.YArguments = New String() {"Components", "Clothing", "Bikes", "Accessories"}
            dataAdapter.Values = New Double(,) {
            {21.3, 50.1, 63.2, 64.4, 33.4},
            {32.3, 54.4, 81.3, 53.4, 54.9},
            {60.3, 49.1, 42.6, 48.4, 65.4},
            {45.3, 54.7, 70.3, 66.4, 56.6}}
            heatmap.DataAdapter = dataAdapter
            Dim palette As Palette = New Palette("Custom") From {
                System.Drawing.Color.White,
                System.Drawing.Color.SkyBlue,
                System.Drawing.Color.DarkBlue
            }
            Dim colorProvider As RangeColorProvider = New RangeColorProvider() With {
                .Palette = palette,
                .ApproximateColors = True
            }
            colorProvider.RangeStops.Add(New Unit(0, UnitType.Percentage))
            colorProvider.RangeStops.Add(New Unit(20, UnitType.Absolute))
            colorProvider.RangeStops.Add(New Unit(40, UnitType.Absolute))
            colorProvider.RangeStops.Add(New Unit(60, UnitType.Absolute))
            colorProvider.RangeStops.Add(New Unit(90, UnitType.Absolute))
            colorProvider.RangeStops.Add(New Unit(1, UnitType.Percentage))
            dataAdapter.ColorProvider = colorProvider
            Dim label As HeatmapLabel = heatmap.Label
            label.Visible = True
            label.Pattern = "{V:f0}"
            label.BackColor = Color.White
            label.Color = Color.Black
            label.DXFont = New DXFont("SegoeUI", 10)
            label.TextOrientation = HeatmapTextOrientation.Horizontal
            label.Border.Visibility = DefaultBoolean.True
            label.Border.Color = Color.DarkGray
            label.Border.Thickness = 2

        End Sub
    End Class
End Namespace