ArcGIS Pro 2.6 API Reference Guide
ActiveTopologyChangingEvent Class
Members 

ArcGIS.Desktop.Editing.Events Namespace : ActiveTopologyChangingEvent Class
Occurs when the active topology changes
Object Model
ActiveTopologyChangingEvent ClassSubscriptionToken ClassSubscriptionToken Class
Syntax
public sealed class ActiveTopologyChangingEvent : ArcGIS.Core.Events.CompositePresentationEvent<TopologyEventArgs> 
Public NotInheritable Class ActiveTopologyChangingEvent 
   Inherits ArcGIS.Core.Events.CompositePresentationEvent(Of TopologyEventArgs)
Inheritance Hierarchy

System.Object
   ArcGIS.Core.Events.EventBase
      ArcGIS.Core.Events.CompositePresentationEvent<TPayload>
         ArcGIS.Desktop.Editing.Events.ActiveTopologyChangingEvent

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

ActiveTopologyChangingEvent Members
ArcGIS.Desktop.Editing.Events Namespace