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为什么OrderSend返回值为-1?
#property copyright "Copyright 2022, MetaQuotes Software Corp." #property link " https://www.mql5.com " #property version "1.00" #property strict double Lots=1.1; bool bool1=true; void OnStart() { int ticket; if(bool1){ ticket=OrderSend(Symbol(),OP_BUY, Lots