[IfcProjectOrderRecord.Records property 记录 public IfcCollection<IfcRelAssignsToProjectOrder> Records { get; set; } 也可以看看 class IfcCollection<T> class IfcRelAssignsToProjectOrder class IfcProjectOrderRecord 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
