Measurements.AfterMeasurement Event

Occurs after a user creates a ruler.

Namespace: DevExpress.Xpf.Map

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

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

Declaration

C#

public event AfterMeasurementEventHandler AfterMeasurement

VB.NET

Public Event AfterMeasurement As AfterMeasurementEventHandler

Event Data

The AfterMeasurement event's data class is AfterMeasurementEventArgs. The following properties provide information specific to this event:

Property	Description
Cancel	Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs.
MapRuler	Returns the created ruler.

Remarks

The Measurements object raises the AfterMeasurement event after a user creates a ruler. To get the new ruler, use the e.MapRuler property. To cancel ruler creation, set the e.Cancel property to true.

The following example cancels area ruler creation:

C#

private void Measurements_AfterMeasurement(object sender, AfterMeasurementEventArgs e) {
  MapRuler ruler1 = e.MapRuler;
  if (ruler1.RulerType == RulerType.Area) {
      e.Cancel = true;
  }
}

VB.NET

Private Sub Measurements_AfterMeasurement(ByVal sender As Object, ByVal e As AfterMeasurementEventArgs)
  Dim ruler1 As MapRuler = e.MapRuler
  If ruler1.RulerType Is RulerType.Area Then
      e.Cancel = True
  End If
End Sub