IExport |
This method is called at the very start of the export process, still before the first entity of the model was send out.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)

Return Value
BooleanReturn True if you are ready to proceed with processing the export.
