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V24.1

ChartControlAccessible Class

An element in the accessibility tree mapped to the chart control element.

Namespace: DevExpress.XtraCharts.Accessibility

Assembly: DevExpress.XtraCharts.v24.1.UI.dll

NuGet Package: DevExpress.Win.Charts

Declaration

public class ChartControlAccessible :
    BaseControlAccessible

Remarks

Handle the QueryAccessibleInfo event to obtain the accessible chart element and specify its properties.

The following code snippet enables the screen reader program to read the class name, element owner, and location of the diagram element:

ChartControl Accessibility Inspector

using DevExpress.Accessibility;
using DevExpress.XtraEditors;
using System;
using System.Windows.Forms;

namespace DXApplication2 {
    internal static class Program {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);

            WindowsFormsSettings.DisableAccessibility = DevExpress.Utils.DefaultBoolean.False;
            DXAccessible.QueryAccessibleInfo += DXAccessible_QueryAccessibleInfo;

            Application.Run(new Form1());
        }

        private static void DXAccessible_QueryAccessibleInfo(object sender, DXAccessible.QueryAccessibleInfoEventArgs e) {
            var aab = e.GetDXAccessible<BaseAccessible>();
            string description = string.Format("{0}. This is the {1} object, owned by {2}, located at {3}",
                e.Name, aab.GetType().Name, aab.GetOwner().GetType().Name, aab.ClientBounds);
            e.Name = description;
        }

    }

}

Inheritance

Object
DevExpress.Accessibility.BaseAccessible
DevExpress.Accessibility.BaseControlAccessible
ChartControlAccessible
See Also