ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Core Namespace / CustomItemBase Class / Unselected Method
Version

Unselected Method
Override to implement any custom logic for unselection of your item
Syntax
public virtual void Unselected()
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also