ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Framework.Contracts Namespace / Tool Class / OnActivateAsync Method

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, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also