MQL5 ReferenceStandard LibraryPanels and DialogsCAppDialogOnAnotherApplicationClose CreateDestroyOnEventRunChartEventMinimizedIniFileSaveIniFileLoadIniFileNameIniFileExtCreateCommonCreateExpertCreateIndicatorCreateButtonMinMaxOnClickButtonCloseOnClickButtonMinMaxOnAnotherApplicationCloseReboundMinimizeMaximizeCreateInstanceIdProgramNameSubwinOff OnAnotherApplicationClose The virtual handler of the control external events. virtual void OnAnotherApplicationClose() Return Value None. OnClickButtonMinMax Rebound