[IfcDoorPanelProperties.PanelOperation property 面板操作 public IfcDoorPanelOperationEnum PanelOperation { get; set; } 也可以看看 enum IfcDoorPanelOperationEnum class IfcDoorPanelProperties 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]