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