/// <summary> /// Calculates extend to structure value for a wall. /// </summary> /// <param name="exporterIFC"> /// The ExporterIFC object. /// </param> /// <param name="extrusionCreationData"> /// The IFCExtrusionCreationData. /// </param> /// <param name="element,"> /// The element to calculate the value. /// </param> /// <param name="elementType"> /// The element type. /// </param> /// <returns> /// True if the operation succeed, false otherwise. /// </returns> public override bool Calculate(ExporterIFC exporterIFC, IFCExtrusionCreationData extrusionCreationData, Element element, ElementType elementType) { Wall wall = element as Wall; if (wall != null) { m_ExtendToStructure = ExporterIFCUtils.IsWallJoinedToTop(wall); } return(true); }