Skip to main content

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

Chart3DControl.CalcHitInfo(Point) Method

Returns information on the chart elements located at the specified point.

Namespace: DevExpress.Xpf.Charts

Assembly: DevExpress.Xpf.Charts.v24.2.dll

NuGet Package: DevExpress.Wpf.Charts

#Declaration

public Chart3DHitInfo CalcHitInfo(
    Point point
)

#Parameters

Name Type Description
point Point

The test point coordinates relative to the top-left corner of the chart.

#Returns

Type Description
Chart3DHitInfo

The information about chart elements located at the test point.

#Example

This example shows coordinates for a surface point and series point marker clicked in a 3D chart:

using DevExpress.Xpf.Charts;
using System.Windows;
//...
private void Chart3DControl_MouseUp(object sender, System.Windows.Input.MouseButtonEventArgs e) {
    Chart3DHitInfo hitInfo = chart.CalcHitInfo(e.GetPosition(this));
    if (hitInfo.InSeries) {
        string str;
        if (hitInfo.SeriesPoint != null) {
            SeriesPoint3D point = hitInfo.SeriesPoint;
            str = $"X: {point.NumericXArgument:f2}, Y: {point.NumericYArgument:f2}, Z: {point.Value:f2}";
            MessageBox.Show(str);
        }
        if (hitInfo.AdditionalItem != null) {
            SurfacePoint surfacePoint = (SurfacePoint)hitInfo.AdditionalItem;
            str = $"X: {surfacePoint.X:f2}, Y: {surfacePoint.Y:f2}, Z: {surfacePoint.Z:f2}";
            MessageBox.Show(str);
        }
    }
}
See Also