[IfcRelSpaceBoundary.RelatedBuildingElement property RelatedBuildingElement public IfcElement RelatedBuildingElement { get; set; } 也可以看看 class IfcElement class IfcRelSpaceBoundary 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
