Returns the ElementId of the (top-level) linked model with the given ExternalResourceReference.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0)
Since: 2015

Syntax

C#
`public static ElementId GetTopLevelLink( Document document, ExternalResourceReference reference )`

Visual Basic
`Public Shared Function GetTopLevelLink ( _ document As Document, _ reference As ExternalResourceReference _ ) As ElementId`

Visual C++
`public: static ElementId^ GetTopLevelLink( Document^ document, ExternalResourceReference^ reference )`

document: Type: Autodesk.Revit.DB Document
The document to look for the linked model in.

reference: Type: Autodesk.Revit.DB ExternalResourceReference
An ExternalResourceReference indicating which linked model to return.

The id of the link with the given ExternalResourceReference, or InvalidElementId if there is no top-level link at that location.

Remarks

This function will not return nested links.

Revit will not check the version when checking for resource equality.

Exception	Condition
Autodesk.Revit.Exceptions ArgumentNullException	A non-optional argument was null