MQL5 ReferenceStandard LibraryIndicatorsBase classesCDoubleBufferSetSymbolPeriod SizeSetSymbolPeriodAtRefreshRefreshCurrent SetSymbolPeriod Sets symbol and period. void SetSymbolPeriod( const string symbol, // symbol const ENUM_TIMEFRAMES period // period ) Parameters symbol [in] New symbol. period [in] New period (ENUM_TIMEFRAMES enumeration). Size At