[IfcRelAssigns.RelatedObjectsType property RelatedObjectsType public IfcObjectTypeEnum RelatedObjectsType { get; set; } 也可以看看 enum IfcObjectTypeEnum class IfcRelAssigns 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
