SunburstControl.CalcHitInfo(Point) Method

Returns information about the specified element in the SunburstControl.

Namespace: DevExpress.Xpf.TreeMap

Assembly: DevExpress.Xpf.TreeMap.v20.2.dll

NuGet Packages: DevExpress.WindowsDesktop.Wpf.TreeMap, DevExpress.Wpf.TreeMap

Declaration

C#

public SunburstHitInfo CalcHitInfo(
    Point point
)

VB.NET

Public Function CalcHitInfo(
    point As Point
) As SunburstHitInfo

Parameters

Name	Type	Description
point	Point	Test point coordinates relative to the Sunburst chart’s top-left corner.

Returns

Type	Description
SunburstHitInfo	Contains information about the Sunburst chart’s elements at the test point.

Remarks

The following code invokes a message box when a user double-clicks a Sunburst sector:

XAML

<dxtm:SunburstControl x:Name="sunburstControl"
                      MouseDoubleClick="SunburstControl_MouseDoubleClick">
                      <!--...-->
</dxtm:SunburstControl>

C#

private void SunburstControl_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e) {
    SunburstHitInfo hitInfo = sunburstControl.CalcHitInfo(e.GetPosition(sunburstControl));
    if (hitInfo != null) {
        MessageBox.Show($"Sector value: {hitInfo.ItemInfo.Value}");
    }
}

VB.NET

Private Sub SunburstControl_MouseDoubleClick(ByVal sender As Object, ByVal e As System.Windows.Input.MouseButtonEventArgs)
    Dim hitInfo As SunburstHitInfo = sunburstControl.CalcHitInfo(e.GetPosition(sunburstControl))
    If hitInfo IsNot Nothing Then
        MessageBox.Show($"Sector value: {hitInfo.ItemInfo.Value}")
    End If
End Sub