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