SurfacePoint.NearestSeriesPoint Property

Returns the nearest series point to the SurfacePoint coordinates.

Assembly : DevExpress.Xpf.Charts.v25.2.dll

NuGet Package : DevExpress.Wpf.Charts

Declaration

C#
VB.NET

csharp

public SeriesPoint3D NearestSeriesPoint { get; }

Public ReadOnly Property NearestSeriesPoint As SeriesPoint3D

Property Value

Type	Description
SeriesPoint3D

The nearest series point to the SurfacePoint coordinates.

Remarks

This example obtains the nearest series point to the mouse cursor when a user clicks a series:

C#
VB.NET

csharp

private void Chart3DControl_MouseUp(object sender, MouseButtonEventArgs e) {
  Chart3DHitInfo hitInfo = chart.CalcHitInfo(e.GetPosition(this));
  if (hitInfo.InSeries && hitInfo.AdditionalItem is SurfacePoint) {
    SurfacePoint surfacePoint = (SurfacePoint)hitInfo.AdditionalItem;
    SeriesPoint3D seriesPoint = surfacePoint.NearestSeriesPoint;
  }
}

Private Sub Chart3DControl_MouseUp(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
    Dim hitInfo As Chart3DHitInfo = chart.CalcHitInfo(e.GetPosition(Me))

    If hitInfo.InSeries AndAlso TypeOf hitInfo.AdditionalItem Is SurfacePoint Then
        Dim surfacePoint As SurfacePoint = CType(hitInfo.AdditionalItem, SurfacePoint)
        Dim seriesPoint As SeriesPoint3D = surfacePoint.NearestSeriesPoint
    End If
End Sub