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HeatmapTextOrientation Enum

Lists values that specify text orientation.

Namespace: DevExpress.XtraCharts.Heatmap

Assembly: DevExpress.XtraCharts.v21.2.dll

Declaration

[ResourceFinder(typeof(XtraChartsResFinder))]
public enum HeatmapTextOrientation

Members

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.

Related API Members

The following properties accept/return HeatmapTextOrientation values:

Example

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

A heatmap with customized cell labels.

Use the HeatmapControl.Label property to access label settings:

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.Font = new Font("SegoeUI", 10);
            label.TextOrientation = DevExpress.XtraCharts.Heatmap.TextOrientation.Horizontal;
            label.Border.Visibility = DevExpress.Utils.DefaultBoolean.True;
            label.Border.Color = Color.DarkGray;
            label.Border.Thickness = 2;
        }
    }
}
See Also