[IfcRelAssignsToActor.ActingRole property ActingRole public IfcActorRole ActingRole { get; set; } 也可以看看 class IfcActorRole class IfcRelAssignsToActor 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
