Retrieves the GUID representing this element in DWF and IFC export.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since:  2011

Syntax

C#
public static Guid GetExportId(
	Document document,
	ElementId elementId
)
Visual Basic
Public Shared Function GetExportId ( _
	document As Document, _
	elementId As ElementId _
) As Guid
Visual C++
public:
static Guid GetExportId(
	Document^ document, 
	ElementId^ elementId
)

Parameters

document
Type: Autodesk.Revit.DB..::..Document
The document.
elementId
Type: Autodesk.Revit.DB..::..ElementId
The id of the element.

Return Value

The value of the GUID representing the element in the export context.

Remarks

This id is used in the contents of DWF export and IFC export and it should be used only when cross-referencing to the contents of these export formats. When storing Ids that will need to be mapped back to elements in future sessions, UniqueId must be used.

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentException The element elementId does not exist in the document
Autodesk.Revit.Exceptions..::..ArgumentNullException A non-optional argument was NULL

See Also