[IfcMaterialProfileSetUsageTapering.ForProfileEndSet property ForProfileEndSet public IfcMaterialProfileSet ForProfileEndSet { get; set; } 也可以看看 class IfcMaterialProfileSet class IfcMaterialProfileSetUsageTapering 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]