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