[IfcMaterialLayerWithOffsets.OffsetValues property OffsetValues public IfcCollection<IfcLengthMeasure> OffsetValues { get; set; } 也可以看看 class IfcCollection<T> class IfcLengthMeasure class IfcMaterialLayerWithOffsets 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
