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