[IfcPolygonalBoundedHalfSpace.PolygonalBoundary property 多边形边界 public IfcBoundedCurve PolygonalBoundary { get; set; } 也可以看看 class IfcBoundedCurve class IfcPolygonalBoundedHalfSpace 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]