الخطوة الاخيرة
وهي جعل الاكسبيرت يغلق صفقة الشراء عند تحقق شرط البيع
ويغلق صفقة البيع عند تحقق شرط الشراء
اولاً
اضافة دالة اغلاق صفقة الشراء في آخر الكود
[PHP]int CloseBuyOrders(int Magic)
{
int total = OrdersTotal();
for (int cnt = 0 ; cnt < total ; cnt++)
{
OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES);
if (OrderMagicNumber() == Magic && OrderSymbol()==Symbol())
{
if (OrderType()==OP_BUY)
{
if(OrderClose(OrderTicket(),OrderLots(),Bid,3)==fa lse)
{
RefreshRates();
}
else
{
cnt=0;
total=OrdersTotal();
}
}
}
}
return(0);
} [/PHP]
واضافة دالة اغلاق صفقة البيع في آخر الكود
بعد دالة اغلاق صفقة الشراء
[PHP]
int CloseSellOrders(int Magic)
{
int total = OrdersTotal();
for (int cnt = 0 ; cnt < total ; cnt++)
{
OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES);
if (OrderMagicNumber() == Magic && OrderSymbol()==Symbol())
{
if (OrderType()==OP_SELL)
{
if(OrderClose(OrderTicket(),OrderLots(),Ask,3)==fa lse)
{
RefreshRates();
}
else
{
cnt=0;
total=OrdersTotal();
}
}
}
}
return(0);
}
[/PHP]
ثانياً
اضافة هذا الكود
[PHP]CloseSellOrders(MagicNumber);[/PHP]
قبل كود فتح صفقة الشراء
واضافة هذا الكود
[PHP]CloseBuyOrders(MagicNumber);[/PHP]
قبل كود فتح صفقة البيع

وبهذا ننتهي من التعديل

الكود النهائي كاملاً
[PHP]
//+------------------------------------------------------------------+
//| MACD Sample.mq4 |
//| Copyright © 2005, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
extern double TakeProfit = 0;
extern double Lots = 1;
extern double TrailingStop = 30;
extern double MACDOpenLevel=3;
extern double MACDCloseLevel=2;
extern double MATrendPeriod=26;
extern int MagicNumber = 16384;
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int start()
{
double MacdCurrent, MacdPrevious, SignalCurrent;
double SignalPrevious, MaCurrent, MaPrevious;
int cnt, ticket, total;
// initial data checks
// it is important to make sure that the expert works with a normal
// chart and the user did not make any mistakes setting external
// variables (Lots, StopLoss, TakeProfit,
// TrailingStop) in our case, we check TakeProfit
// on a chart of less than 100 bars
if(Bars<100)
{
Print("bars less than 100");
return(0);
}
if (TakeProfit>0)
{
double bt=Ask+TakeProfit*Point;
double st=Bid-TakeProfit*Point;
}
else
{
bt=0;
st=0;
}
// to simplify the coding and speed up access
// data are put into internal variables
MacdCurrent=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_ MAIN,0);
MacdPrevious=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE _MAIN,1);
SignalCurrent=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MOD E_SIGNAL,0);
SignalPrevious=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MO DE_SIGNAL,1);
MaCurrent=iMA(NULL,0,MATrendPeriod,0,MODE_EMA,PRIC E_CLOSE,0);
MaPrevious=iMA(NULL,0,MATrendPeriod,0,MODE_EMA,PRI CE_CLOSE,1);
total=OrdersTotal();
if(total<1)
{
// no opened orders identified
if(AccountFreeMargin()<(1*Lots))
{
Print("We have no money. Free Margin = ", AccountFreeMargin());
return(0);
}
// check for long position (BUY) possibility
if(MacdCurrent<0 && MacdCurrent>SignalCurrent && MacdPrevious<SignalPrevious &&
MathAbs(MacdCurrent)>(MACDOpenLevel*Point) )
{
CloseSellOrders(MagicNumber);
ticket=OrderSend(Symbol(),OP_BUY,Lots,Ask,3,0,bt," macd sample",MagicNumber,0,Green);
if(ticket>0)
{
if(OrderSelect(ticket,SELECT_BY_TICKET,MODE_TRADES )) Print("BUY order opened : ",OrderOpenPrice());
}
else Print("Error opening BUY order : ",GetLastError());
return(0);
}
// check for short position (SELL) possibility
if(MacdCurrent>0 && MacdCurrent<SignalCurrent && MacdPrevious>SignalPrevious &&
MacdCurrent>(MACDOpenLevel*Point) )
{
CloseBuyOrders(MagicNumber);
ticket=OrderSend(Symbol(),OP_SELL,Lots,Bid,3,0,st, "macd sample",MagicNumber,0,Red);
if(ticket>0)
{
if(OrderSelect(ticket,SELECT_BY_TICKET,MODE_TRADES )) Print("SELL order opened : ",OrderOpenPrice());
}
else Print("Error opening SELL order : ",GetLastError());
return(0);
}
return(0);
}
// it is important to enter the market correctly,
// but it is more important to exit it correctly...
for(cnt=0;cnt<total;cnt++)
{
OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES);
if(OrderType()<=OP_SELL && // check for opened position
OrderSymbol()==Symbol()) // check for symbol
{
if(OrderType()==OP_BUY) // long position is opened
{
// should it be closed?
if(MacdCurrent>0 && MacdCurrent<SignalCurrent && MacdPrevious>SignalPrevious &&
MacdCurrent>(MACDCloseLevel*Point))
{
OrderClose(OrderTicket(),OrderLots(),Bid,3,Violet) ; // close position
return(0); // exit
}
// check for trailing stop
if(TrailingStop>0)
{
if(Bid-OrderOpenPrice()>Point*TrailingStop)
{
if(OrderStopLoss()<Bid-Point*TrailingStop)
{
OrderModify(OrderTicket(),OrderOpenPrice(),Bid-Point*TrailingStop,OrderTakeProfit(),0,Green);
return(0);
}
}
}
}
else // go to short position
{
// should it be closed?
if(MacdCurrent<0 && MacdCurrent>SignalCurrent &&
MacdPrevious<SignalPrevious && MathAbs(MacdCurrent)>(MACDCloseLevel*Point))
{
OrderClose(OrderTicket(),OrderLots(),Ask,3,Violet) ; // close position
return(0); // exit
}
// check for trailing stop
if(TrailingStop>0)
{
if((OrderOpenPrice()-Ask)>(Point*TrailingStop))
{
if((OrderStopLoss()>(Ask+Point*TrailingStop)) || (OrderStopLoss()==0))
{
OrderModify(OrderTicket(),OrderOpenPrice(),Ask+Poi nt*TrailingStop,OrderTakeProfit(),0,Red);
return(0);
}
}
}
}
}
}
return(0);
}
// the end.
// اغلاق جميع الصفقات المفتوحة
//+------------------------------------------------------------------+
int CloseBuyOrders(int Magic)
{
int total = OrdersTotal();
for (int cnt = 0 ; cnt < total ; cnt++)
{
OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES);
if (OrderMagicNumber() == Magic && OrderSymbol()==Symbol())
{
if (OrderType()==OP_BUY)
{
if(OrderClose(OrderTicket(),OrderLots(),Bid,3)==fa lse)
{
RefreshRates();
}
else
{
cnt=0;
total=OrdersTotal();
}
}
}
}
return(0);
}
int CloseSellOrders(int Magic)
{
int total = OrdersTotal();
for (int cnt = 0 ; cnt < total ; cnt++)
{
OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES);
if (OrderMagicNumber() == Magic && OrderSymbol()==Symbol())
{
if (OrderType()==OP_SELL)
{
if(OrderClose(OrderTicket(),OrderLots(),Ask,3)==fa lse)
{
RefreshRates();
}
else
{
cnt=0;
total=OrdersTotal();
}
}
}
}
return(0);
}
[/PHP]

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