MQL5 ReferenceStandard LibraryPanels and DialogsCWndContainerDestroy DestroyOnEventOnMouseEventControlsTotalControlControlFindAddDeleteMoveShiftIdEnableDisableShowHideMouseFocusKillSaveLoadOnResizeOnActivateOnDeactivate Destroy Destroys all the container controls. virtual bool Destroy() Return Value true - successful, otherwise - false. CWndContainer OnEvent