ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Core.Events Namespace / ProjectClosingEvent Class / Unsubscribe Method / Unsubscribe(Func<ProjectClosingEventArgs,Task>) Method
The delegate that is subscribed to the event

Unsubscribe(Func<ProjectClosingEventArgs,Task>) Method
Unsubscribe the delegate from the ProjectClosingEvent
Syntax
public static void Unsubscribe( 
   Func<ProjectClosingEventArgs,Task> action
)

Parameters

action
The delegate that is subscribed to the event
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also