ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Framework.Contracts Namespace / Tool Class / OnActivateAsync Method
Version

OnActivateAsync Method
Called to inform the Tool it has been activated or deactivated.
Syntax
protected internal virtual Task OnActivateAsync( 
   bool isActive
)

Parameters

isActive
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also