M

DirectShape.GetExternallyTaggedReference

Description:
Retrieve a Reference to reference geometry of the DirectShape that is associated with a particular ExternalGeometryId.

public Reference GetExternallyTaggedReference(
	ExternalGeometryId externalId
)

Public Function GetExternallyTaggedReference ( _
	externalId As ExternalGeometryId _
) As Reference

public:
Reference^ GetExternallyTaggedReference(
	ExternalGeometryId^ externalId
)

Autodesk.Revit.DB.ExternalGeometryId

externalId

The ExternalGeometryId of the requested reference object.

Return Value nullNothingnullptr A Reference to the externally tagged reference GeometryObject having the provided external ID or null Nothing nullptr a null reference ( Nothing in Visual Basic) if there is no reference geometry having the external ID.

Autodesk.Revit.Exceptions.ArgumentNullException

A non-optional argument was null