ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / TOCMapPaneProviderPane Class / OnClosed Method

OnClosed Method (TOCMapPaneProviderPane)
Notification letting the Pane know it has been closed.
Syntax
protected override void OnClosed()
Remarks
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also