Binario

Author: Provided by sencho, coded by don_forex
Price Data Components
Series array that contains close prices for each bar
Orders Execution
Checks for the total of open orders
Indicators Used
Moving average indicator
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1 Downloads
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Binario 
ÿþ//+------------------------------------------------------------------+

//|                             Binario(barabashkakvn's edition).mq5 |

//|                           Copyright 2005, Gordago Software Corp. |

//|                                          http://www.gordago.com/ |

//+------------------------------------------------------------------+

// I want to thank Michal Rutka, michal1@zonnet.nl, for helping me correct

// the mistakes that I made... Good Job!!

#property copyright "Provided by sencho, coded by don_forex"

#property link      "http://www.gordago.com"

#property version   "1.000"

//---

#include <Trade\PositionInfo.mqh>

#include <Trade\Trade.mqh>

#include <Trade\SymbolInfo.mqh>  

#include <Trade\AccountInfo.mqh>

#include <Trade\OrderInfo.mqh>

#include <Expert\Money\MoneyFixedMargin.mqh>

CPositionInfo  m_position;                   // trade position object

CTrade         m_trade;                      // trading object

CSymbolInfo    m_symbol;                     // symbol info object

CAccountInfo   m_account;                    // account info wrapper

COrderInfo     m_order;                      // pending orders object

CMoneyFixedMargin *m_money;

//--- input parameters

input ushort         InpTakeProfit        = 50;       // Take Profit (in pips)

input ushort         InpTrailingStop      = 15;       // Trailing Stop (in pips)

input ushort         InpTrailingStep      = 5;        // Trailing Step (in pips)

input double         InpLots              = 0;        // Lots (or "Lots">0 and "Risk"==0 or "Lots"==0 and "Risk">0)

input double         Risk                 = 5;        // Risk (or "Lots">0 and "Risk"==0 or "Lots"==0 and "Risk">0)

input ushort         InpDifference        = 25;       // Difference

input bool           ExpertEveryTick      = false;    // Expert Every Tick

input int            InpMA_ma_period      = 144;      // MA PRICE_HIGH and PRICE_LOW: averaging period 

input int            InpMA_ma_shift       = 0;        // MA PRICE_HIGH and PRICE_LOW: horizontal shift 

input ENUM_MA_METHOD InpMA_PH_ma_method   = MODE_SMA; // MA PRICE_HIGH: smoothing type 

input ENUM_MA_METHOD InpMA_PL_ma_method   = MODE_SMA; // MA PRICE_LOW: smoothing type 

input ulong          m_magic              = 111372744;// magic number

//---

ulong          m_slippage=10;             // slippage



double         ExtTakeProfit=0.0;

double         ExtTrailingStop=0.0;

double         ExtTrailingStep=0.0;

double         ExtDifference=0.0;



int            handle_iMA_PH;             // variable for storing the handle of the iMA indicator

int            handle_iMA_PL;             // variable for storing the handle of the iMA indicator  



double         m_adjusted_point;          // point value adjusted for 3 or 5 points

//+------------------------------------------------------------------+

//| Expert initialization function                                   |

//+------------------------------------------------------------------+

int OnInit()

  {

//---

   if(!m_symbol.Name(Symbol())) // sets symbol name

      return(INIT_FAILED);

   RefreshRates();

//---

   m_trade.SetExpertMagicNumber(m_magic);

   m_trade.SetMarginMode();

   m_trade.SetTypeFillingBySymbol(m_symbol.Name());

//---

   m_trade.SetDeviationInPoints(m_slippage);

//--- tuning for 3 or 5 digits

   int digits_adjust=1;

   if(m_symbol.Digits()==3 || m_symbol.Digits()==5)

      digits_adjust=10;

   m_adjusted_point=m_symbol.Point()*digits_adjust;



   ExtTakeProfit  = InpTakeProfit   * m_adjusted_point;

   ExtTrailingStop= InpTrailingStop * m_adjusted_point;

   ExtTrailingStep= InpTrailingStep * m_adjusted_point;

   ExtDifference  = InpDifference   * m_adjusted_point;

//---

   if(!LotsOrRisk(InpLots,Risk,digits_adjust))

      return(INIT_PARAMETERS_INCORRECT);

//--- create handle of the indicator iMA

   handle_iMA_PH=iMA(m_symbol.Name(),Period(),InpMA_ma_period,InpMA_ma_shift,InpMA_PH_ma_method,PRICE_HIGH);

//--- if the handle is not created 

   if(handle_iMA_PH==INVALID_HANDLE)

     {

      //--- tell about the failure and output the error code 

      PrintFormat("Failed to create handle of the iMA indicator PRICE_HIGH for the symbol %s/%s, error code %d",

                  m_symbol.Name(),

                  EnumToString(Period()),

                  GetLastError());

      //--- the indicator is stopped early 

      return(INIT_FAILED);

     }

//--- create handle of the indicator iMA

   handle_iMA_PL=iMA(m_symbol.Name(),Period(),InpMA_ma_period,InpMA_ma_shift,InpMA_PL_ma_method,PRICE_LOW);

//--- if the handle is not created 

   if(handle_iMA_PL==INVALID_HANDLE)

     {

      //--- tell about the failure and output the error code 

      PrintFormat("Failed to create handle of the iMA indicator PRICE_LOW for the symbol %s/%s, error code %d",

                  m_symbol.Name(),

                  EnumToString(Period()),

                  GetLastError());

      //--- the indicator is stopped early 

      return(INIT_FAILED);

     }

//---

   return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Expert deinitialization function                                 |

//+------------------------------------------------------------------+

void OnDeinit(const int reason)

  {

//---

   if(m_money!=NULL)

      delete m_money;

  }

//+------------------------------------------------------------------+

//| Expert tick function                                             |

//+------------------------------------------------------------------+

void OnTick()

  {

   Trailing();



   static datetime PrevBars=0;

   if(ExpertEveryTick)

     {

      //--- we work only at the time of the birth of new bar

      datetime time_0=iTime(0);

      if(time_0==PrevBars)

         return;

      PrevBars=time_0;

     }

   if(!RefreshRates())

     {

      if(ExpertEveryTick)

         PrevBars=0;

      return;

     }

//---

   double MA_PH_0       = iMAGet(handle_iMA_PH,0);

   double MA_PL_0       = iMAGet(handle_iMA_PL,0);

   double Spread        = m_symbol.Ask()-m_symbol.Bid();

   double BuyPrice      = MA_PH_0 + Spread+ExtDifference;

   double BuyStopLoss   = MA_PL_0 - 1*m_adjusted_point;

   double BuyTakeProfit = MA_PH_0 + ExtDifference+ExtTakeProfit;

   double SellPrice     = MA_PL_0 - ExtDifference;

   double SellStopLoss  = MA_PH_0 + Spread + 1*m_adjusted_point;

   double SellTakeProfit= MA_PL_0-Spread-(ExtDifference+ExtTakeProfit);

   double close_0       = m_symbol.Bid();

//---

   bool buys         = false;

   bool sells        = false;

   CalculatePositions(buys,sells);



   bool buy_stops    = false;

   bool sells_stops  = false;

   CalculatePendingOrders(buy_stops,sells_stops);



   if(close_0<MA_PH_0 && close_0>MA_PL_0)

     {

      if(!buys && !buy_stops)

        {

         OpenBuyStop(BuyPrice,BuyStopLoss,BuyTakeProfit);

        }

      if(!sells && !sells_stops)

        {

         OpenSellStop(SellPrice,SellStopLoss,SellTakeProfit);

        }

     }



  }

//+------------------------------------------------------------------+

//| TradeTransaction function                                        |

//+------------------------------------------------------------------+

void OnTradeTransaction(const MqlTradeTransaction &trans,

                        const MqlTradeRequest &request,

                        const MqlTradeResult &result)

  {

//--- get transaction type as enumeration value 

   ENUM_TRADE_TRANSACTION_TYPE type=trans.type;

//--- if transaction is result of addition of the transaction in history

   if(type==TRADE_TRANSACTION_DEAL_ADD)

     {

      long     deal_ticket       =0;

      long     deal_order        =0;

      long     deal_time         =0;

      long     deal_time_msc     =0;

      long     deal_type         =-1;

      long     deal_entry        =-1;

      long     deal_magic        =0;

      long     deal_reason       =-1;

      long     deal_position_id  =0;

      double   deal_volume       =0.0;

      double   deal_price        =0.0;

      double   deal_commission   =0.0;

      double   deal_swap         =0.0;

      double   deal_profit       =0.0;

      string   deal_symbol       ="";

      string   deal_comment      ="";

      string   deal_external_id  ="";

      if(HistoryDealSelect(trans.deal))

        {

         deal_ticket       =HistoryDealGetInteger(trans.deal,DEAL_TICKET);

         deal_order        =HistoryDealGetInteger(trans.deal,DEAL_ORDER);

         deal_time         =HistoryDealGetInteger(trans.deal,DEAL_TIME);

         deal_time_msc     =HistoryDealGetInteger(trans.deal,DEAL_TIME_MSC);

         deal_type         =HistoryDealGetInteger(trans.deal,DEAL_TYPE);

         deal_entry        =HistoryDealGetInteger(trans.deal,DEAL_ENTRY);

         deal_magic        =HistoryDealGetInteger(trans.deal,DEAL_MAGIC);

         deal_reason       =HistoryDealGetInteger(trans.deal,DEAL_REASON);

         deal_position_id  =HistoryDealGetInteger(trans.deal,DEAL_POSITION_ID);



         deal_volume       =HistoryDealGetDouble(trans.deal,DEAL_VOLUME);

         deal_price        =HistoryDealGetDouble(trans.deal,DEAL_PRICE);

         deal_commission   =HistoryDealGetDouble(trans.deal,DEAL_COMMISSION);

         deal_swap         =HistoryDealGetDouble(trans.deal,DEAL_SWAP);

         deal_profit       =HistoryDealGetDouble(trans.deal,DEAL_PROFIT);



         deal_symbol       =HistoryDealGetString(trans.deal,DEAL_SYMBOL);

         deal_comment      =HistoryDealGetString(trans.deal,DEAL_COMMENT);

         deal_external_id  =HistoryDealGetString(trans.deal,DEAL_EXTERNAL_ID);

        }

      else

         return;

      if(deal_symbol==m_symbol.Name() && deal_magic==m_magic)

         if(deal_entry==DEAL_ENTRY_IN)

            if(deal_type==DEAL_TYPE_BUY || deal_type==DEAL_TYPE_SELL)

               DeleteAllPendingOrders();

     }



  }

//+------------------------------------------------------------------+

//| Refreshes the symbol quotes data                                 |

//+------------------------------------------------------------------+

bool RefreshRates(void)

  {

//--- refresh rates

   if(!m_symbol.RefreshRates())

     {

      Print("RefreshRates error");

      return(false);

     }

//--- protection against the return value of "zero"

   if(m_symbol.Ask()==0 || m_symbol.Bid()==0)

      return(false);

//---

   return(true);

  }

//+------------------------------------------------------------------+

//| Check the correctness of the position volume                     |

//+------------------------------------------------------------------+

bool CheckVolumeValue(double volume,string &error_description)

  {

//--- minimal allowed volume for trade operations

   double min_volume=m_symbol.LotsMin();

   if(volume<min_volume)

     {

      error_description=StringFormat("Volume is less than the minimal allowed SYMBOL_VOLUME_MIN=%.2f",min_volume);

      return(false);

     }

//--- maximal allowed volume of trade operations

   double max_volume=m_symbol.LotsMax();

   if(volume>max_volume)

     {

      error_description=StringFormat("Volume is greater than the maximal allowed SYMBOL_VOLUME_MAX=%.2f",max_volume);

      return(false);

     }

//--- get minimal step of volume changing

   double volume_step=m_symbol.LotsStep();

   int ratio=(int)MathRound(volume/volume_step);

   if(MathAbs(ratio*volume_step-volume)>0.0000001)

     {

      error_description=StringFormat("Volume is not a multiple of the minimal step SYMBOL_VOLUME_STEP=%.2f,the closest correct volume is%.2f",

                                     volume_step,ratio*volume_step);

      return(false);

     }

   error_description="Correct volume value";

   return(true);

  }

//+------------------------------------------------------------------+

//| Lots or risk in percent for a deal from a free margin            |

//+------------------------------------------------------------------+

bool LotsOrRisk(const double lots,const double risk,const int digits_adjust)

  {

   if(lots<0.0 && risk<0.0)

     {

      Print(__FUNCTION__,",ERROR: Parameter(\"lots\" or \"risk\") can't be less than zero");

      return(false);

     }

   if(lots==0.0 && risk==0.0)

     {

      Print(__FUNCTION__,", ERROR: Trade is impossible: You have set \"lots\" == 0.0 and \"risk\" == 0.0");

      return(false);

     }

   if(lots>0.0 && risk>0.0)

     {

      Print(__FUNCTION__,", ERROR: Trade is impossible: You have set \"lots\" > 0.0 and \"risk\" > 0.0");

      return(false);

     }

   if(lots>0.0)

     {

      string err_text="";

      if(!CheckVolumeValue(lots,err_text))

        {

         Print(__FUNCTION__,", ERROR: ",err_text);

         return(false);

        }

     }

   else if(risk>0.0)

     {

      if(m_money!=NULL)

         delete m_money;

      m_money=new CMoneyFixedMargin;

      if(m_money!=NULL)

        {

         if(!m_money.Init(GetPointer(m_symbol),Period(),m_symbol.Point()*digits_adjust))

            return(INIT_FAILED);

         m_money.Percent(risk);

        }

      else

        {

         Print(__FUNCTION__,", ERROR: Object CMoneyFixedMargin is NULL");

         return(INIT_FAILED);

        }

     }

//---

   return(true);

  }

//+------------------------------------------------------------------+ 

//| Get Close for specified bar index                                | 

//+------------------------------------------------------------------+ 

double iClose(const int index,string symbol=NULL,ENUM_TIMEFRAMES timeframe=PERIOD_CURRENT)

  {

   if(symbol==NULL)

      symbol=m_symbol.Name();

   if(timeframe==0)

      timeframe=Period();

   double Close[1];

   double close=0;

   int copied=CopyClose(symbol,timeframe,index,1,Close);

   if(copied>0)

      close=Close[0];

   return(close);

  }

//+------------------------------------------------------------------+ 

//| Get Time for specified bar index                                 | 

//+------------------------------------------------------------------+ 

datetime iTime(const int index,string symbol=NULL,ENUM_TIMEFRAMES timeframe=PERIOD_CURRENT)

  {

   if(symbol==NULL)

      symbol=m_symbol.Name();

   if(timeframe==0)

      timeframe=Period();

   datetime Time[1];

   datetime time=0; // datetime "0" -> D'1970.01.01 00:00:00'

   int copied=CopyTime(symbol,timeframe,index,1,Time);

   if(copied>0)

      time=Time[0];

   return(time);

  }

//+------------------------------------------------------------------+

//| Calculate positions Buy and Sell                                 |

//+------------------------------------------------------------------+

void CalculatePositions(bool &buys,bool &sells)

  {

   buys  = false;

   sells = false;



   for(int i=PositionsTotal()-1;i>=0;i--)

      if(m_position.SelectByIndex(i)) // selects the position by index for further access to its properties

         if(m_position.Symbol()==m_symbol.Name() && m_position.Magic()==m_magic)

           {

            if(m_position.PositionType()==POSITION_TYPE_BUY)

               buys=true;



            if(m_position.PositionType()==POSITION_TYPE_SELL)

               sells=true;



            if(buys && sells)

               return;

           }

//---

   return;

  }

//+------------------------------------------------------------------+

//| Calculate pending orders Buy Stop and Sell Stop                  |

//+------------------------------------------------------------------+

void CalculatePendingOrders(bool &buy_stops,bool &sells_stops)

  {

   buy_stops   = false;

   sells_stops = false;



   for(int i=OrdersTotal()-1;i>=0;i--)

      if(m_order.SelectByIndex(i)) // selects the pending order by index for further access to its properties

         if(m_order.Symbol()==m_symbol.Name() && m_order.Magic()==m_magic)

           {

            if(m_order.OrderType()==ORDER_TYPE_BUY_STOP)

               buy_stops=true;



            if(m_order.OrderType()==ORDER_TYPE_SELL_STOP)

               sells_stops=true;



            if(buy_stops && sells_stops)

               return;

           }

//---

   return;

  }

//+------------------------------------------------------------------+

//| Trailing                                                         |

//+------------------------------------------------------------------+

void Trailing()

  {

   if(InpTrailingStop==0)

      return;

   for(int i=PositionsTotal()-1;i>=0;i--) // returns the number of open positions

      if(m_position.SelectByIndex(i))

         if(m_position.Symbol()==m_symbol.Name() && m_position.Magic()==m_magic)

           {

            if(m_position.PositionType()==POSITION_TYPE_BUY)

              {

               if(m_position.PriceCurrent()-m_position.PriceOpen()>ExtTrailingStop+ExtTrailingStep)

                  if(m_position.StopLoss()<m_position.PriceCurrent()-(ExtTrailingStop+ExtTrailingStep))

                    {

                     if(!m_trade.PositionModify(m_position.Ticket(),

                        m_symbol.NormalizePrice(m_position.PriceCurrent()-ExtTrailingStop),

                        m_position.TakeProfit()))

                        Print("Modify BUY ",m_position.Ticket(),

                              " Position -> false. Result Retcode: ",m_trade.ResultRetcode(),

                              ", description of result: ",m_trade.ResultRetcodeDescription());

                    }

              }

            else

              {

               if(m_position.PriceOpen()-m_position.PriceCurrent()>ExtTrailingStop+ExtTrailingStep)

                  if((m_position.StopLoss()>(m_position.PriceCurrent()+(ExtTrailingStop+ExtTrailingStep))) || 

                     (m_position.StopLoss()==0))

                    {

                     if(!m_trade.PositionModify(m_position.Ticket(),

                        m_symbol.NormalizePrice(m_position.PriceCurrent()+ExtTrailingStop),

                        m_position.TakeProfit()))

                        Print("Modify SELL ",m_position.Ticket(),

                              " Position -> false. Result Retcode: ",m_trade.ResultRetcode(),

                              ", description of result: ",m_trade.ResultRetcodeDescription());

                    }

              }



           }

  }

//+------------------------------------------------------------------+

//| Pending Buy Stop                                                 |

//+------------------------------------------------------------------+

void OpenBuyStop(double price,double sl,double tp)

  {

   sl=m_symbol.NormalizePrice(sl);

   tp=m_symbol.NormalizePrice(tp);



   double check_open_long_lot=0.0;

   if(Risk>0.0)

     {

      check_open_long_lot=m_money.CheckOpenLong(price,sl);

      Print("sl=",DoubleToString(sl,m_symbol.Digits()),

            ", CheckOpenLong: ",DoubleToString(check_open_long_lot,2),

            ", Balance: ",    DoubleToString(m_account.Balance(),2),

            ", Equity: ",     DoubleToString(m_account.Equity(),2),

            ", FreeMargin: ", DoubleToString(m_account.FreeMargin(),2));

      if(check_open_long_lot==0.0)

        {

         Print(__FUNCTION__,", ERROR: method CheckOpenLong returned the value of \"0.0\"");

         return;

        }

     }

   else

      check_open_long_lot=InpLots;

//--- check volume before OrderSend to avoid "not enough money" error (CTrade)

   double check_volume_lot=m_trade.CheckVolume(m_symbol.Name(),check_open_long_lot,price,ORDER_TYPE_BUY);

   if(check_volume_lot!=0.0)

     {

      if(check_volume_lot>=check_open_long_lot)

        {

         if(m_trade.BuyStop(check_open_long_lot,price,m_symbol.Name(),sl,tp))

           {

            if(m_trade.ResultOrder()==0)

              {

               Print("#1 Buy Stop -> false. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

               PrintResult(m_trade,m_symbol);

              }

            else

              {

               Print("#2 Buy Stop -> true. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

               PrintResult(m_trade,m_symbol);

              }

           }

         else

           {

            Print("#3 Buy Stop -> false. Result Retcode: ",m_trade.ResultRetcode(),

                  ", description of result: ",m_trade.ResultRetcodeDescription());

            PrintResult(m_trade,m_symbol);

           }

        }

      else

        {

         string text="";

         if(Risk>0.0)

            text="< method CheckOpenLong ("+DoubleToString(check_open_long_lot,2)+")";

         else

            text="< Lots ("+DoubleToString(InpLots,2)+")";

         Print(__FUNCTION__,", ERROR: method CheckVolume (",DoubleToString(check_volume_lot,2),") ",

               text);

         return;

        }

     }

   else

     {

      Print(__FUNCTION__,", ERROR: method CheckVolume returned the value of \"0.0\"");

      return;

     }

//---

  }

//+------------------------------------------------------------------+

//| Pending Sell Stop                                                |

//+------------------------------------------------------------------+

void OpenSellStop(double price,double sl,double tp)

  {

   sl=m_symbol.NormalizePrice(sl);

   tp=m_symbol.NormalizePrice(tp);



   double check_open_short_lot=0.0;

   if(Risk>0.0)

     {

      check_open_short_lot=m_money.CheckOpenShort(price,sl);

      Print("sl=",DoubleToString(sl,m_symbol.Digits()),

            ", CheckOpenLong: ",DoubleToString(check_open_short_lot,2),

            ", Balance: ",    DoubleToString(m_account.Balance(),2),

            ", Equity: ",     DoubleToString(m_account.Equity(),2),

            ", FreeMargin: ", DoubleToString(m_account.FreeMargin(),2));

      if(check_open_short_lot==0.0)

        {

         Print(__FUNCTION__,", ERROR: method CheckOpenShort returned the value of \"0.0\"");

         return;

        }

     }

   else

      check_open_short_lot=InpLots;

//--- check volume before OrderSend to avoid "not enough money" error (CTrade)

   double check_volume_lot=m_trade.CheckVolume(m_symbol.Name(),check_open_short_lot,price,ORDER_TYPE_SELL);

   if(check_volume_lot!=0.0)

     {

      if(check_volume_lot>=check_open_short_lot)

        {

         if(m_trade.SellStop(check_open_short_lot,price,m_symbol.Name(),sl,tp))

           {

            if(m_trade.ResultOrder()==0)

              {

               Print("#1 Sell Stop -> false. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

               PrintResult(m_trade,m_symbol);

              }

            else

              {

               Print("#2 Sell Stop -> true. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

               PrintResult(m_trade,m_symbol);

              }

           }

         else

           {

            Print("#3 Sell Stop -> false. Result Retcode: ",m_trade.ResultRetcode(),

                  ", description of result: ",m_trade.ResultRetcodeDescription());

            PrintResult(m_trade,m_symbol);

           }

        }

      else

        {

         string text="";

         if(Risk>0.0)

            text="< method CheckOpenShort ("+DoubleToString(check_open_short_lot,2)+")";

         else

            text="< Lots ("+DoubleToString(InpLots,2)+")";

         Print(__FUNCTION__,", ERROR: method CheckVolume (",DoubleToString(InpLots,2),") ",

               text);

         return;

        }

     }

   else

     {

      Print(__FUNCTION__,", ERROR: method CheckVolume returned the value of \"0.0\"");

      return;

     }

//---

  }

//+------------------------------------------------------------------+

//| Print CTrade result                                              |

//+------------------------------------------------------------------+

void PrintResult(CTrade &trade,CSymbolInfo &symbol)

  {

   Print("Code of request result: "+IntegerToString(trade.ResultRetcode()));

   Print("code of request result: "+trade.ResultRetcodeDescription());

   Print("deal ticket: "+IntegerToString(trade.ResultDeal()));

   Print("order ticket: "+IntegerToString(trade.ResultOrder()));

   Print("volume of deal or order: "+DoubleToString(trade.ResultVolume(),2));

   Print("price, confirmed by broker: "+DoubleToString(trade.ResultPrice(),symbol.Digits()));

   Print("current bid price: "+DoubleToString(trade.ResultBid(),symbol.Digits()));

   Print("current ask price: "+DoubleToString(trade.ResultAsk(),symbol.Digits()));

   Print("broker comment: "+trade.ResultComment());

//int d=0;

  }

//+------------------------------------------------------------------+

//| Get value of buffers for the iMA                                 |

//+------------------------------------------------------------------+

double iMAGet(const int handle_iMA,const int index)

  {

   double MA[1];

//--- reset error code 

   ResetLastError();

//--- fill a part of the iMABuffer array with values from the indicator buffer that has 0 index 

   if(CopyBuffer(handle_iMA,0,index,1,MA)<0)

     {

      //--- if the copying fails, tell the error code 

      PrintFormat("Failed to copy data from the iMA indicator, error code %d",GetLastError());

      //--- quit with zero result - it means that the indicator is considered as not calculated 

      return(0.0);

     }

   return(MA[0]);

  }

//+------------------------------------------------------------------+

//| Delete all pending orders                                        |

//+------------------------------------------------------------------+

void DeleteAllPendingOrders(void)

  {

   for(int i=OrdersTotal()-1;i>=0;i--) // returns the number of current orders

      if(m_order.SelectByIndex(i))     // selects the pending order by index for further access to its properties

         if(m_order.Symbol()==m_symbol.Name() && m_order.Magic()==m_magic)

            m_trade.OrderDelete(m_order.Ticket());

  }

//+------------------------------------------------------------------+

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