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