ChartHitInfo.HitTest Property

Gets a value identifying the type of the visual element located under the test point.

Namespace: DevExpress.XtraCharts

Assembly: DevExpress.XtraCharts.v24.1.dll

NuGet Package: DevExpress.Charts

Declaration

C#

public ChartHitTest HitTest { get; }

VB.NET

Public ReadOnly Property HitTest As ChartHitTest

Property Value

Type	Description
ChartHitTest	A ChartHitTest enumeration value which identifies the type of the visual element that contains the test point.

Available values:

Show 16 items

Name	Description
None	The test point does not belong to any visual element or is outside the chart.
Chart	The test point belongs to a chart.
ChartTitle	The test point belongs to a chart title.
Axis	The test point belongs to an axis.
ConstantLine	The test point belongs to a constant line.
Diagram	The test point belongs to a diagram.
Legend	The test point belongs to a legend.
Series	The test point belongs to a series.
SeriesLabel	The test point belongs to a series label.
SeriesTitle	The test point belongs to a series title.
NonDefaultPane	The test point belongs to a non-default pane.
TrendLine	Obsolete. The test point belongs to a trend line.
FibonacciIndicator	Obsolete. The test point belongs to a Fibonacci Indicator.
RegressionLine	Obsolete. The test point belongs to a regression line.
Annotation	The test point belongs to an annotation.
Indicator	The test point belongs to an indicator.

Example

The following examples demonstrates how to handle the ChartControl.MouseMove event and calculate the hit information for the point which the mouse pointer is currently hovering over. Then, the name of the chart element located under the mouse pointer is shown within the form caption.

C#

using System.Windows.Forms;
using DevExpress.XtraCharts;
// ...

private void chartControl1_MouseMove(object sender, MouseEventArgs e) {
    ChartHitInfo hi = chartControl1.CalcHitInfo(new System.Drawing.Point(e.X, e.Y));
    this.Text = hi.HitTest.ToString();
}

VB.NET

Imports System.Windows.Forms
Imports DevExpress.XtraCharts
' ...

Private Sub ChartControl1_MouseMove(ByVal sender As System.Object, ByVal e As MouseEventArgs) _
Handles ChartControl1.MouseMove
    Dim hi As ChartHitInfo = ChartControl1.CalcHitInfo(New System.Drawing.Point(e.X, e.Y))
    Me.Text = hi.HitTest.ToString()
End Sub