MQL5 リファレンス標準ライブラリトレードクラスCAccountInfoMarginCall LoginTradeModeTradeModeDescriptionLeverageStopoutModeStopoutModeDescriptionMarginModeMarginModeDescriptionTradeAllowedTradeExpertLimitOrdersBalanceCreditProfitEquityMarginFreeMarginMarginLevelMarginCallMarginStopOutNameServerCurrencyCompanyInfoIntegerInfoDoubleInfoStringOrderProfitCheckMarginCheckFreeMarginCheckMaxLotCheck MarginCall 예금의 마진 수준 가져오기. double MarginCall() const 값 반환 예금의 마진 수준. MarginLevel MarginStopOut