ArcGIS Pro 2.6 API Reference Guide
LayoutClosedEvent Class
Members  Example 

ArcGIS.Desktop.Layouts.Events Namespace : LayoutClosedEvent Class
Occurs when the Layout is closed.
Object Model
LayoutClosedEvent ClassSubscriptionToken ClassSubscriptionToken Class
Syntax
Remarks
Reference LayoutClosedEventArgs to get a list of arguments.
Example
//Report the event args when a layout is closed.

ArcGIS.Desktop.Layouts.Events.LayoutClosedEvent.Subscribe((args) =>
{
  System.Windows.MessageBox.Show("LayoutClosedEvent:" +
  Environment.NewLine +
  "   arg LayoutPane: " + args.LayoutPane.Caption);
});
Inheritance Hierarchy

System.Object
   ArcGIS.Core.Events.EventBase
      ArcGIS.Core.Events.CompositePresentationEvent<TPayload>
         ArcGIS.Desktop.Layouts.Events.LayoutClosedEvent

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

LayoutClosedEvent Members
ArcGIS.Desktop.Layouts.Events Namespace