ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core Namespace / CalledOnWrongThreadException Class / Message Property

Message Property (CalledOnWrongThreadException)
Gets the associated exception message
Syntax
public override string Message {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also