[IfcTrapeziumProfileDef.TopXOffset property TopXOffset public IfcLengthMeasure TopXOffset { get; set; } 也可以看看 class IfcLengthMeasure class IfcTrapeziumProfileDef 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
