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failed market buy 1.00 XTIUSD [Unsupported filling mode]
MqlTradeRequest request={ 0 }; MqlTradeResult result={ 0 }; request.action = TRADE_ACTION_DEAL ; // 交易操作类型 request.symbol = Symbol (); // 交易品种 request.volume = 1 ; // 0.1手交易量 request.sl= 0 ;