ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Core.DeviceLocation.Events Namespace / DeviceLocationSourceChangedEvent Class / Subscribe Method
The delegate that gets executed when the event is published.
When false the ArcGIS.Core.Events.CompositePresentationEvent<TPayload> will maintain a weak delegate reference to the subscriber. Using a weak delegate reference relieves the subscriber from the need to unsubscribe to enable proper garbage collection.
Example Version

Subscribe Method (DeviceLocationSourceChangedEvent)
Subscribes to the DeviceLocationSourceChangedEvent.
Syntax

Parameters

action
The delegate that gets executed when the event is published.
keepSubscriberAlive
When false the ArcGIS.Core.Events.CompositePresentationEvent<TPayload> will maintain a weak delegate reference to the subscriber. Using a weak delegate reference relieves the subscriber from the need to unsubscribe to enable proper garbage collection.

Return Value

A ArcGIS.Core.Events.SubscriptionToken that uniquely identifies the added subscription.
Example
Subscribe to DeviceLocationSourceChanged event
private void SubscribeToSourceEvents()
{
  DeviceLocationSourceChangedEvent.Subscribe(OnDeviceLocationSourceChanged);
}
private void OnDeviceLocationSourceChanged(DeviceLocationSourceChangedEventArgs args)
{
  if (args == null)
    return;

  var source = args.DeviceLocationSource;

  //  TODO - something with the updated source properties
}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also