[IfcSurfaceStyleShading.Transparency property 透明度 public IfcNormalisedRatioMeasure Transparency { get; set; } 也可以看看 class IfcNormalisedRatioMeasure class IfcSurfaceStyleShading 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
