ExternalFileUtils.IsExternalFileReference Method

Determines whether the given element represents an external file.


Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)

Syntax

C#

public static bool IsExternalFileReference(
	Document aDoc,
	ElementId elemId
)

Parameters

aDoc  Document
A Revit Document.
elemId  ElementId
The element to be checked for an external file reference.

Return Value

Boolean
True if the given element represents an external file; false otherwise.

Exceptions

ExceptionCondition
ArgumentException The element elemId does not exist in the document
ArgumentNullException A non-optional argument was null

Remarks

CAD imports are not external file references, as their data is brought fully into Revit. No connection is maintained to the original file.

A link may be an external resource without being an external file.

See Also

Reference

ExternalFileUtils Class
Autodesk.Revit.DB Namespace