[IfcLightSourceGoniometric.ColourAppearance property 颜色外观 public IfcColourRgb ColourAppearance { get; set; } 也可以看看 class IfcColourRgb class IfcLightSourceGoniometric 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
