ArcGIS Pro 2.6 API Reference Guide
ApplicationClosingEvent Class
Members 

ArcGIS.Desktop.Framework.Events Namespace : ApplicationClosingEvent Class
Occurs when the the application is attempting to shutdown and can be handled to cancel the closure.
Object Model
ApplicationClosingEvent ClassSubscriptionToken ClassSubscriptionToken Class
Syntax
public sealed class ApplicationClosingEvent : ArcGIS.Core.Events.AsyncPresentationEvent<CancelEventArgs> 
Public NotInheritable Class ApplicationClosingEvent 
   Inherits ArcGIS.Core.Events.AsyncPresentationEvent(Of CancelEventArgs)
Inheritance Hierarchy

System.Object
   ArcGIS.Core.Events.EventBase
      ArcGIS.Core.Events.AsyncPresentationEvent<TPayload>
         ArcGIS.Desktop.Framework.Events.ApplicationClosingEvent

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

ApplicationClosingEvent Members
ArcGIS.Desktop.Framework.Events Namespace