[IfcPropertySetDefinition.DefinesType property 定义类型 public IfcCollection<IfcTypeObject> DefinesType { get; } 也可以看看 class IfcCollection<T> class IfcTypeObject class IfcPropertySetDefinition 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
