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