Event arguments for RhinoDoc.WorksessionFileChanged. At the time of the notification, the document state already reflects the change: attached models' objects/layers are present, detached models' objects/layers have been purged.
Properties
Whether the model was attached or detached.
Full path of the .3dm file being attached or detached.
Runtime serial number of the worksession reference model being attached or detached. Not persistent across sessions.