[IfcPresentationStyleAssignment.Styles property 样式 public IfcCollection<IfcPresentationStyleSelect> Styles { get; set; } 也可以看看 class IfcCollection<T> class IfcPresentationStyleSelect class IfcPresentationStyleAssignment 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
