[IfcCompositeCurveSegment.UsingCurves property UsingCurves public IfcCollection<IfcCompositeCurve> UsingCurves { get; } 也可以看看 class IfcCollection<T> class IfcCompositeCurve class IfcCompositeCurveSegment 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]