ArcGIS Pro 2.8 API Reference Guide
ActiveTemplateChangedEvent Class
Members 

ArcGIS.Desktop.Editing.Events Namespace : ActiveTemplateChangedEvent Class
Occurs when the active template is changed.
Object Model
ActiveTemplateChangedEvent ClassSubscriptionToken ClassSubscriptionToken Class
Syntax
Remarks
You can Subscribe to listen for the ActiveTemplateChangedEvent and specify a delegate that will be executed upon receiving the event. To stop listening, you can Unsubscribe.
Inheritance Hierarchy

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

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

ActiveTemplateChangedEvent Members
ArcGIS.Desktop.Editing.Events Namespace