ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Core Namespace / ClipboardItem Class / ProcessID Property

ProcessID Property
Gets the ID of the process which is associated with the Copy, Cut, or Move operation.
Syntax
public int ProcessID {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 3.0 or higher.
See Also