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我正在尝试编写一个EA，当自定义指标显示一个箭头{卖出或买入}时，该EA将发出买入。我正在使用iCustom()来做到这一点，但我正在努力比较值。iCustom（）缓冲区 - 如何从MT4中的自定义指标缓冲区获取值？
这里是我的代码：
void OnTick()
{
//---
double sell=iCustom(NULL,0,"fx30",0,0);
double buy=iCustom(NULL,0,"fx30",1,0);
if(sell>0)//sell
{
//check if buy trade is running
//close a buy trade
//open a sell trade on success
if(buyTicket>0)
{
bool ret=OrderClose(buyTicket, lot, Bid, slipage,clrBlue);
if(ret==true)
{
printf("the sell number is: "+sell);
sellTicket=OrderSend(Symbol(),OP_SELL,lot,Bid,slipage,NULL,NULL,"MATHUNYA SELL",magic,0,clrRed);
}
}
else
{
//we dont have a buy trade open
//place a sell trade
//only one trade should be open
if(sellTicket>0)
{
printf("sell order already running");
}
else
{
printf("the sell number is: "+sell);
sellTicket=OrderSend(Symbol(),OP_SELL,lot,Bid,slipage,NULL,NULL,"MATHUNYA SELL",magic,0,clrRed);
}
}
}
else{
Print("buy: "+buy+", sell: "+sell+" Time: "+TimeToStr(Time[1]));
printf("awaiting sell order..");
}
if(buy>0)//buy
{
//check if sell trade is running
//close a sell trade
//open a buy trade on success
if(sellTicket>0)
{
bool ret=OrderClose(sellTicket, lot, Ask, slipage,clrYellow);
if(ret==true)
{
printf("the buy number is: "+buy);
buyTicket=OrderSend(Symbol(),OP_BUY,lot,Ask,slipage,NULL,NULL,"MATHUNYA BUY",magic,0,clrGreen);
}
}
else
{
//we dont have a sell trade open
//place a buy trade
//only one trade should be open
if(buyTicket>0)
{
printf("buy order already running");
}
else
{
printf("the buy number is: "+buy);
buyTicket=OrderSend(Symbol(),OP_BUY,lot,Ask,slipage,NULL,NULL,"MATHUNYA BUY",magic,0,clrGreen);
}
}
}else
{
Print("buy: "+buy+", sell: "+sell+" Time: "+TimeToStr(Time[1]));
printf("awaiting buy order..");
}
}
//+------------------------------------------------------------------+// global variables
int buyTicket = 0;
int sellTicket = 0;
double lot = 0.01;
int slipage = 3;
int magic = 321;