[IfcStairFlight.PredefinedType property PredefinedType public IfcStairFlightTypeEnum PredefinedType { get; set; } 也可以看看 enum IfcStairFlightTypeEnum class IfcStairFlight 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
