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