Revit 2025.3 API
IExport |
This method marks the beginning of an element to be exported.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
RenderNodeAction OnElementBegin( ElementId elementId )
Function OnElementBegin ( elementId As ElementId ) As RenderNodeAction
RenderNodeAction OnElementBegin( ElementId^ elementId )
abstract OnElementBegin : elementId : ElementId -> RenderNodeAction
Parameters
- elementId ElementId
- The Id of the element that is about to be processed.
Return Value
RenderNodeActionReturn RenderNodeAction.Skip if you wish to skip exporting this element, or return RenderNodeAction.Proceed otherwise.

This method is never called for 2D export (see cref="Autodesk::Revit::DB::IExportContext2D").
See Also