MQL5 リファレンス標準ライブラリトレードクラスCAccountInfoCurrency LoginTradeModeTradeModeDescriptionLeverageStopoutModeStopoutModeDescriptionMarginModeMarginModeDescriptionTradeAllowedTradeExpertLimitOrdersBalanceCreditProfitEquityMarginFreeMarginMarginLevelMarginCallMarginStopOutNameServerCurrencyCompanyInfoIntegerInfoDoubleInfoStringOrderProfitCheckMarginCheckFreeMarginCheckMaxLotCheck Currency 預金通貨名を取得します。 string Currency() const 戻り値 預金通貨名 Server Company