MQL5 リファレンス標準ライブラリトレードクラスCAccountInfoCurrency LoginTradeModeTradeModeDescriptionLeverageStopoutModeStopoutModeDescriptionMarginModeMarginModeDescriptionTradeAllowedTradeExpertLimitOrdersBalanceCreditProfitEquityMarginFreeMarginMarginLevelMarginCallMarginStopOutNameServerCurrencyCompanyInfoIntegerInfoDoubleInfoStringOrderProfitCheckMarginCheckFreeMarginCheckMaxLotCheck Currency 예금 통화 이름 가져오기. string Currency() const 값 반환 예금 통화 이름. Server Company