MQL5 ReferenceStandard LibraryPanels and DialogsCWndContainerId DestroyOnEventOnMouseEventControlsTotalControlControlFindAddDeleteMoveShiftIdEnableDisableShowHideMouseFocusKillSaveLoadOnResizeOnActivateOnDeactivate Id Sets the ID for all controls of the container. virtual long Id( const long id // identifier ) Parameters id [in] Base group identifier. Return Value Number of identifiers used by container controls. Shift Enable