[IfcCovering.PredefinedType property PredefinedType public IfcCoveringTypeEnum PredefinedType { get; set; } 也可以看看 enum IfcCoveringTypeEnum class IfcCovering 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
