enum IfcWindowPanelOperationEnum { kIfcWindowPanelOperationEnum_SIDEHUNGRIGHTHAND, kIfcWindowPanelOperationEnum_SIDEHUNGLEFTHAND, kIfcWindowPanelOperationEnum_TILTANDTURNRIGHTHAND, kIfcWindowPanelOperationEnum_TILTANDTURNLEFTHAND, kIfcWindowPanelOperationEnum_TOPHUNG, kIfcWindowPanelOperationEnum_BOTTOMHUNG, kIfcWindowPanelOperationEnum_PIVOTHORIZONTAL, kIfcWindowPanelOperationEnum_PIVOTVERTICAL, kIfcWindowPanelOperationEnum_SLIDINGHORIZONTAL, kIfcWindowPanelOperationEnum_SLIDINGVERTICAL, kIfcWindowPanelOperationEnum_REMOVABLECASEMENT, kIfcWindowPanelOperationEnum_FIXEDCASEMENT, kIfcWindowPanelOperationEnum_OTHEROPERATION, kIfcWindowPanelOperationEnum_NOTDEFINED, kIfcWindowPanelOperationEnum_unset };