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