ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Core.Events Namespace / ProjectClosingEvent Class / Unsubscribe Method

Unsubscribe Method (ProjectClosingEvent)
Overload List
OverloadDescription
Unsubscribe the delegate from the ProjectClosingEvent  
Unsubscribe from the ProjectClosingEvent  
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also