[IfcPresentationLayerWithStyle.LayerStyles property 图层样式 public IfcCollection<IfcPresentationStyle> LayerStyles { get; set; } 也可以看看 class IfcCollection<T> class IfcPresentationStyle class IfcPresentationLayerWithStyle 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
