[IfcPropertySetDefinition.IsDefinedBy property IsDefinedBy public IfcCollection<IfcRelDefinesByTemplate> IsDefinedBy { get; } 也可以看看 class IfcCollection<T> class IfcRelDefinesByTemplate class IfcPropertySetDefinition 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
