[IfcDoorPanelProperties.PanelPosition property PanelPosition public IfcDoorPanelPositionEnum PanelPosition { get; set; } 也可以看看 enum IfcDoorPanelPositionEnum class IfcDoorPanelProperties 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]