找萌新问一下ontick不能调取函数的问题

[Buuny9035]

图一我在oninit里面建立的函数

为什么我在图二里面要调用的时候就是错误？

[Buuny9035]

int OnInit()

  {

//---

          MqlTradeRequest buyqingqiu ;

          MqlTradeResult  buyjieguo ;

          buyqingqiu.action = TRADE_ACTION_DEAL;

          buyqingqiu.type = ORDER_TYPE_BUY;          

          //buyqingqiu.symbol= m_symbol.Name(Symbol());

          buyqingqiu.price = SymbolInfoDouble(Symbol(),SYMBOL_ASK); 

          buyqingqiu.sl = sl ;

          buyqingqiu.tp = tp ;

          buyqingqiu.volume = 0.05;

          buyqingqiu.deviation = 30 ;

          buyqingqiu.magic = 1111 ; 

          

        bool buy = OrderSend(buyqingqiu,buyjieguo);

void OnTick()

  {

     { if (ma144[1]>ma233[1] && macd[1] > 0 && ma5[1]>macd[1] && PRICE_CLOSE <= down[0]);

                         

          OrderSend buy;

      }       

  }

[zdy3824]

  if (ma144[1]>ma233[1] && macd[1] > 0 && ma5[1]>macd[1] && PRICE_CLOSE <= down[0])

             buy;

[Buuny9035]

zdy3824 #:

  if (ma144[1]>ma233[1] && macd[1] > 0 && ma5[1]>macd[1] && PRICE_CLOSE <= down[0])

             buy;

非常感谢