Buy_Sell_Stop Buttons

ÿþ//+------------------------------------------------------------------+

//|                            BUY SELL STOP BUTTONS v1              |

//|             http://algorithmic-trading-ea-mt4.000webhostapp.com/ |

//|                                                    AHARON TZADIK |

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

#property copyright   "AHARON TZADIK"

#property link        "http://algorithmic-trading-ea-mt4.000webhostapp.com/"

#property version   "1.00"

#property strict







extern bool           USESTOP=true;//Enable "STOP"

extern bool           USEMOVETOBREAKEVEN=true;//Enable "no loss"

extern double         WHENTOMOVETOBE=10;      //When to move break even

extern double         PIPSTOMOVESL=5;         //How much pips to move sl

extern double         Lots=0.01;              //Lots size 

input  double         MaximumRisk   =0.02;

input  double         DecreaseFactor=3;

extern double         TrailingStop=40;        //TrailingStop 

extern double         Stop_Loss=20;           //Stop Loss 

input  double         TakeProfit=50;          //TakeProfit 

input  int            MagicNumber=1111;

input  int         NumberOfTrades=3;

//input  int           Multiply=3;

double buyprice;

bool result;

double priceopen,stoploss,takeprofit;

int           ticket,err,T;

double        pips;

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

int total=0;

 double Lot;

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

//| Expert initialization function                                   |

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



int OnInit()



//-----------------------------------------------------------------------------------------------------------  

  {

   b1();

   double ticksize=MarketInfo(Symbol(),MODE_TICKSIZE);

   if(ticksize==0.00001 || Point==0.01)

      pips=ticksize*10;

   else pips=ticksize;



   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

   ObjectDelete("BUY");

   ObjectDelete("SELL");

   ObjectDelete("CLOSE");

  }

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

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

//|                                                                  |

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

void OnTick()

  {

   if(USESTOP)stop();

   if(USEMOVETOBREAKEVEN) MOVETOBREAKEVEN();

   Trail1();

//------------------------------------------------------------------------------  

  }

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

//| ChartEvent function                                              |

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

void OnChartEvent(const int id,

                  const long &lparam,

                  const double &dparam,

                  const string &sparam)

  {

   if(id==CHARTEVENT_OBJECT_CLICK && sparam=="BUY"){BUY();}

   if(id==CHARTEVENT_OBJECT_CLICK && sparam=="SELL"){SELL();}

   if(id==CHARTEVENT_OBJECT_CLICK && sparam=="CLOSE"){exitbuys();exitsells();}

//---



  }

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

//---  (BUY) possibility

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

//| BUY                      BUY                 BUY                 |

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

//------------------------------------------------------------------------------------

void BUY()

  {

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

     {

      ticket=OrderSend(Symbol(),OP_BUY,LotsOptimized(),ND(Ask),3,NDTP(Bid-Stop_Loss*pips),NDTP(Bid+TakeProfit*pips),"BUY",MagicNumber+i,0,PaleGreen);

      if(ticket>0)

        {

         if(OrderSelect(ticket,SELECT_BY_TICKET,MODE_TRADES))

            Print("BUY order opened : ",OrderOpenPrice());

        }

      else

         Print("Error opening BUY order : ",GetLastError());

      // return;

     }

  }

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

//--- (SELL) possibility

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

//| SELL             SELL                       SELL                 |

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

//------------------------------------------------------------------------------------

void SELL()

  {

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

     {

      ticket=OrderSend(Symbol(),OP_SELL,LotsOptimized(),ND(Bid),3,NDTP(Ask+Stop_Loss*pips),NDTP(Ask-TakeProfit*pips),"SELL",MagicNumber+i,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;

     }

  }

//--- exit from the "no opened orders" block



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

//|   stop                                                           |

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

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

void stop()

  {

   int cnt;

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

   double middleBB=iBands(Symbol(),0,20, 2,0,0,MODE_MAIN,1);//middle

   double lowerBB=iBands(Symbol(),0,20, 2,0,0,MODE_LOWER,1);//lower

   double upperBB=iBands(Symbol(),0,20, 2,0,0,MODE_UPPER,1);//upper

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

   double  MacdMAIN=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_MAIN,1);

   double  MacdSIGNAL=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_SIGNAL,1);

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

   for(cnt=0;cnt<total;cnt++)

     {

      if(!OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES))

         continue;

      if(OrderType()<=OP_SELL &&   // check for opened position 

         OrderSymbol()==Symbol())  // check for symbol

        {

         //--- long position is opened

         if(OrderType()==OP_BUY)

           {

            //--- should it be closed?



            if( Close[1]==upperBB)

               exitbuys1();

            //--- check for trailing stop

           }

         else // go to short position

           {

            //--- should it be closed?



            if( Close[1]==lowerBB)

               exitsells1();

            //--- check for trailing stop

           }

        }

     }

  }

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

//| Trailing stop loss                                               |

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

// --------------- ----------------------------------------------------------- ------------------------                    

void Trail1()

  {

   total=OrdersTotal();

//--- it is important to enter the market correctly, but it is more important to exit it correctly...   

   for(int cnt=0;cnt<total;cnt++)

     {

      if(!OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES))

         continue;

      if(OrderType()<=OP_SELL &&   // check for opened position 

         OrderSymbol()==Symbol())  // check for symbol

        {

         //--- long position is opened

         if(OrderType()==OP_BUY)

           {



            //--- check for trailing stop

            if(TrailingStop>0)

              {

               if(Bid-OrderOpenPrice()>pips*TrailingStop)

                 {

                  if(OrderStopLoss()<Bid-pips*TrailingStop)

                    {



                     RefreshRates();

                     stoploss=Bid-(pips*TrailingStop);

                     takeprofit=OrderTakeProfit()+pips*TrailingStop;

                     double StopLevel=MarketInfo(Symbol(),MODE_STOPLEVEL)+MarketInfo(Symbol(),MODE_SPREAD);

                     if(stoploss<StopLevel*pips) stoploss=StopLevel*pips;

                     string symbol=OrderSymbol();

                     double point=SymbolInfoDouble(symbol,SYMBOL_POINT);

                     if(MathAbs(OrderStopLoss()-stoploss)>point)

                        if((pips*TrailingStop)>(int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_FREEZE_LEVEL)*pips)



                           //--- modify order and exit

                           if(CheckStopLoss_Takeprofit(OP_BUY,stoploss,takeprofit))

                              if(OrderModifyCheck(OrderTicket(),OrderOpenPrice(),stoploss,takeprofit))

                                 if(!OrderModify(OrderTicket(),OrderOpenPrice(),stoploss,takeprofit,0,Green))

                                    Print("OrderModify error ",GetLastError());

                     return;

                    }

                 }

              }

           }

         else // go to short position

           {

            //--- check for trailing stop

            if(TrailingStop>0)

              {

               if((OrderOpenPrice()-Ask)>(pips*TrailingStop))

                 {

                  if((OrderStopLoss()>(Ask+pips*TrailingStop)) || (OrderStopLoss()==0))

                    {



                     RefreshRates();

                     stoploss=Ask+(pips*TrailingStop);

                     takeprofit=OrderTakeProfit()-pips*TrailingStop;

                     double StopLevel=MarketInfo(Symbol(),MODE_STOPLEVEL)+MarketInfo(Symbol(),MODE_SPREAD);

                     if(stoploss<StopLevel*pips) stoploss=StopLevel*pips;

                     if(takeprofit<StopLevel*pips) takeprofit=StopLevel*pips;

                     string symbol=OrderSymbol();

                     double point=SymbolInfoDouble(symbol,SYMBOL_POINT);

                     if(MathAbs(OrderStopLoss()-stoploss)>point)

                        if((pips*TrailingStop)>(int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_FREEZE_LEVEL)*pips)



                           //--- modify order and exit

                           if(CheckStopLoss_Takeprofit(OP_SELL,stoploss,takeprofit))

                              if(OrderModifyCheck(OrderTicket(),OrderOpenPrice(),stoploss,takeprofit))

                                 if(!OrderModify(OrderTicket(),OrderOpenPrice(),stoploss,takeprofit,0,Red))

                                    Print("OrderModify error ",GetLastError());

                     return;

                    }

                 }

              }

           }

        }

     }

  }

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

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

//|                          MOVE TO BREAK EVEN                               |

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

void MOVETOBREAKEVEN()



  {

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

     {

      if(OrderSelect(b,SELECT_BY_POS,MODE_TRADES))

         if(OrderMagicNumber()!=MagicNumber)continue;

      if(OrderSymbol()==Symbol())

         if(OrderType()==OP_BUY)

            if(Bid-OrderOpenPrice()>WHENTOMOVETOBE*pips)

               if(OrderOpenPrice()>OrderStopLoss())

                  if(!OrderModify(OrderTicket(),OrderOpenPrice(),OrderOpenPrice()+(PIPSTOMOVESL*pips),OrderTakeProfit(),0,CLR_NONE))

                     Print("eror");

     }



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

     {

      if(OrderSelect(s,SELECT_BY_POS,MODE_TRADES))

         if(OrderMagicNumber()!=MagicNumber)continue;

      if(OrderSymbol()==Symbol())

         if(OrderType()==OP_SELL)

            if(OrderOpenPrice()-Ask>WHENTOMOVETOBE*pips)

               if(OrderOpenPrice()<OrderStopLoss())

                  if(!OrderModify(OrderTicket(),OrderOpenPrice(),OrderOpenPrice()-(PIPSTOMOVESL*pips),OrderTakeProfit(),0,CLR_NONE))

                     Print("eror");

     }

  }

//--------------------------------------------------------------------------------------

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

//|                    exit                                          |

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

void exit()

  {

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

     {

      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

        {



         //if(OrderType()==OP_SELL)

           {

            if((Ask==OrderTakeProfit()) || Bid==OrderStopLoss())//If one order closed than close all

               if(OrderType()==OP_SELL)

                 {

                  result=OrderClose(OrderTicket(),OrderLots(),OrderClosePrice(),3,Red);//actual order closing

                  if(result!=true)//if it did not close

                    {

                     err=GetLastError(); Print("LastError = ",err);//get the reason why it didn't close

                    }

                 }

            else if(OrderType()==OP_BUY)

              {

               result=OrderClose(OrderTicket(),OrderLots(),OrderClosePrice(),3,Red);//actual order closing

               if(result!=true)//if it did not close

                 {

                  err=GetLastError(); Print("LastError = ",err);//get the reason why it didn't close

                 }

              }

           }



        }

     }

  }

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

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

int openorderthispair(string pair)

  {

   total=0;

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

     {

      if(!OrderSelect(i,SELECT_BY_POS,MODE_TRADES))Print("eror");//ÑÕÓçÙÝ ÐÝ ÙéàÔ âáçÔ äêÕ×Ô ÑæÞÓ ÔàÕÛ×Ù

      if(OrderSymbol()==pair) total++;

     }

   return(total);

  }

//-----------------------------------------------------------------------------------------------------------   



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

bool CheckMoneyForTrade(string symb,double lots,int type)

  {

   double free_margin=AccountFreeMarginCheck(symb,type,lots);

//-- if there is not enough money

   if(free_margin<0)

     {

      string oper=(type==OP_BUY)? "Buy":"Sell";

      Print("Not enough money for ",oper," ",lots," ",symb," Error code=",GetLastError());

      return(false);

     }

//--- checking successful

   return(true);

  }

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

//| Check the correctness of the order volume                        |

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

bool CheckVolumeValue(double volume/*,string &description*/)



  {

   double lot=volume;

   int    orders=OrdersHistoryTotal();     // history orders total

   int    losses=0;                  // number of losses orders without a break

//--- select lot size

//--- maximal allowed volume of trade operations

   double max_volume=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MAX);

   if(lot>max_volume)



      Print("Volume is greater than the maximal allowed ,we use",max_volume);

//  return(false);



//--- minimal allowed volume for trade operations

   double minlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MIN);

   if(lot<minlot)



      Print("Volume is less than the minimal allowed ,we use",minlot);

//  return(false);



//--- get minimal step of volume changing

   double volume_step=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_STEP);

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

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

     {

      Print("Volume is not a multiple of the minimal step ,we use, the closest correct volume is %.2f",

            volume_step,ratio*volume_step);

      //   return(false);

     }

//  description="Correct volume value";

   return(true);

  }

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

//| Calculate optimal lot size buy                                   |

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

double LotsOptimized1Mx(double llots)

  {

   double lots=llots;

//--- minimal allowed volume for trade operations

   double minlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MIN);

   if(lots<minlot)

     { lots=minlot; }

//--- maximal allowed volume of trade operations

   double maxlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MAX);

   if(lots>maxlot)

     { lots=maxlot;  }

//--- get minimal step of volume changing

   double volume_step=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_STEP);

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

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

     {  lots=ratio*volume_step;}

   if(((AccountStopoutMode()==1) && 

      (AccountFreeMarginCheck(Symbol(),OP_BUY,lots)>AccountStopoutLevel()))

      || ((AccountStopoutMode()==0) && 

      ((AccountEquity()/(AccountEquity()-AccountFreeMarginCheck(Symbol(),OP_BUY,lots))*100)>AccountStopoutLevel())))

      return(lots);

/* else  Print("StopOut level  Not enough money for ",OP_SELL," ",lot," ",Symbol());*/

   return(0);

  }

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

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

int b1()

  {

   int chart_ID=0;

   string name="BUY";

   if(!ObjectCreate(0,name,OBJ_BUTTON,0,0,0))

     {

      Print(__FUNCTION__,

            ": failed to create the button! Error code = ",GetLastError());

      return(false);

     }

//--- set button coordinates 

   ObjectSetInteger(chart_ID,name,OBJPROP_XDISTANCE,150);

   ObjectSetInteger(chart_ID,name,OBJPROP_YDISTANCE,50);

//--- set button size 

   ObjectSetInteger(chart_ID,name,OBJPROP_XSIZE,100);

   ObjectSetInteger(chart_ID,name,OBJPROP_YSIZE,100);

//--- set the chart's corner, relative to which point coordinates are defined 

   ObjectSetInteger(chart_ID,name,OBJPROP_CORNER,0);

//--- set the text 

   ObjectSetString(chart_ID,name,OBJPROP_TEXT,"BUY");

//--- set text font 

   ObjectSetString(chart_ID,name,OBJPROP_FONT,"Arial");

//--- set font size 

   ObjectSetInteger(chart_ID,name,OBJPROP_FONTSIZE,12);

//--- set text color 

   ObjectSetInteger(chart_ID,name,OBJPROP_COLOR,clrBlue);

//--- set background color 

   ObjectSetInteger(chart_ID,name,OBJPROP_BGCOLOR,clrGray);

//--- set border color 

   ObjectSetInteger(chart_ID,name,OBJPROP_BORDER_COLOR,clrBlack);

//--- display in the foreground (false) or background (true) 

   ObjectSetInteger(chart_ID,name,OBJPROP_BACK,false);

//--- set button state 

   ObjectSetInteger(chart_ID,name,OBJPROP_STATE,false);

//--- enable (true) or disable (false) the mode of moving the button by mouse 

   ObjectSetInteger(chart_ID,name,OBJPROP_SELECTABLE,false);

   ObjectSetInteger(chart_ID,name,OBJPROP_SELECTED,false);

//--- hide ( true)or display (false) graphical object name in the object list 

   ObjectSetInteger(chart_ID,name,OBJPROP_HIDDEN,false);

//--- set the priority for receiving the event of a mouse click in the chart 

   ObjectSetInteger(chart_ID,name,OBJPROP_ZORDER,0);

//--- successful execution 



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

//| SELL                                                             |

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

   string name1="SELL";

   if(!ObjectCreate(0,name1,OBJ_BUTTON,0,0,0))

     {

      Print(__FUNCTION__,

            ": failed to create the button! Error code = ",GetLastError());

      return(false);

     }

//--- set button coordinates 

   ObjectSetInteger(chart_ID,name1,OBJPROP_XDISTANCE,250);

   ObjectSetInteger(chart_ID,name1,OBJPROP_YDISTANCE,50);

//--- set button size 

   ObjectSetInteger(chart_ID,name1,OBJPROP_XSIZE,100);

   ObjectSetInteger(chart_ID,name1,OBJPROP_YSIZE,100);

//--- set the chart's corner, relative to which point coordinates are defined 

   ObjectSetInteger(chart_ID,name1,OBJPROP_CORNER,0);

//--- set the text 

   ObjectSetString(chart_ID,name1,OBJPROP_TEXT,"SELL");

//--- set text font 

   ObjectSetString(chart_ID,name1,OBJPROP_FONT,"Arial");

//--- set font size 

   ObjectSetInteger(chart_ID,name1,OBJPROP_FONTSIZE,12);

//--- set text color 

   ObjectSetInteger(chart_ID,name1,OBJPROP_COLOR,clrRed);

//--- set background color 

   ObjectSetInteger(chart_ID,name1,OBJPROP_BGCOLOR,clrGray);

//--- set border color 

   ObjectSetInteger(chart_ID,name1,OBJPROP_BORDER_COLOR,clrBlack);

//--- display in the foreground (false) or background (true) 

   ObjectSetInteger(chart_ID,name1,OBJPROP_BACK,false);

//--- set button state 

   ObjectSetInteger(chart_ID,name1,OBJPROP_STATE,false);

//--- enable (true) or disable (false) the mode of moving the button by mouse 

   ObjectSetInteger(chart_ID,name1,OBJPROP_SELECTABLE,false);

   ObjectSetInteger(chart_ID,name1,OBJPROP_SELECTED,false);

//--- hide ( true)or display (false) graphical object name1 in the object list 

   ObjectSetInteger(chart_ID,name1,OBJPROP_HIDDEN,false);

//--- set the priority for receiving the event of a mouse click in the chart 

   ObjectSetInteger(chart_ID,name1,OBJPROP_ZORDER,0);

//--- successful execution 



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

//| CLOSE                                                             |

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

   string name2="CLOSE";

   if(!ObjectCreate(0,name2,OBJ_BUTTON,0,0,0))

     {

      Print(__FUNCTION__,

            ": failed to create the button! Error code = ",GetLastError());

      return(false);

     }

//--- set button coordinates 

   ObjectSetInteger(chart_ID,name2,OBJPROP_XDISTANCE,350);

   ObjectSetInteger(chart_ID,name2,OBJPROP_YDISTANCE,50);

//--- set button size 

   ObjectSetInteger(chart_ID,name2,OBJPROP_XSIZE,100);

   ObjectSetInteger(chart_ID,name2,OBJPROP_YSIZE,100);

//--- set the chart's corner, relative to which point coordinates are defined 

   ObjectSetInteger(chart_ID,name2,OBJPROP_CORNER,0);

//--- set the text 

   ObjectSetString(chart_ID,name2,OBJPROP_TEXT,"CLOSE");

//--- set text font 

   ObjectSetString(chart_ID,name2,OBJPROP_FONT,"Arial");

//--- set font size 

   ObjectSetInteger(chart_ID,name2,OBJPROP_FONTSIZE,12);

//--- set text color 

   ObjectSetInteger(chart_ID,name2,OBJPROP_COLOR,clrRed);

//--- set background color 

   ObjectSetInteger(chart_ID,name2,OBJPROP_BGCOLOR,clrGray);

//--- set border color 

   ObjectSetInteger(chart_ID,name2,OBJPROP_BORDER_COLOR,clrBlack);

//--- display in the foreground (false) or background (true) 

   ObjectSetInteger(chart_ID,name2,OBJPROP_BACK,false);

//--- set button state 

   ObjectSetInteger(chart_ID,name2,OBJPROP_STATE,false);

//--- enable (true) or disable (false) the mode of moving the button by mouse 

   ObjectSetInteger(chart_ID,name2,OBJPROP_SELECTABLE,false);

   ObjectSetInteger(chart_ID,name2,OBJPROP_SELECTED,false);

//--- hide ( true)or display (false) graphical object name1 in the object list 

   ObjectSetInteger(chart_ID,name2,OBJPROP_HIDDEN,false);

//--- set the priority for receiving the event of a mouse click in the chart 

   ObjectSetInteger(chart_ID,name2,OBJPROP_ZORDER,0);

//--- successful execution 

   return(true);





  }

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

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

double NDTP(double val)

  {

   RefreshRates();

   double SPREAD=MarketInfo(Symbol(),MODE_SPREAD);

   double StopLevel=MarketInfo(Symbol(),MODE_STOPLEVEL);

   if(val<StopLevel*pips+SPREAD*pips) val=StopLevel*pips+SPREAD*pips;

// double STOPLEVEL = MarketInfo(Symbol(),MODE_STOPLEVEL);

//int Stops_level=(int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_STOPS_LEVEL);



//if (Stops_level*pips<val-Bid)

//val=Ask+Stops_level*pips;

   return(NormalizeDouble(val, Digits));

// return(val);

  }

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

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

//| Calculate optimal lot size buy                                   |

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

double LotsOptimized1Mx1(double llots)

  {

   double lots=llots;

//--- minimal allowed volume for trade operations

   double minlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MIN);

   if(lots<minlot)

     { lots=minlot; }

//--- maximal allowed volume of trade operations

   double maxlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MAX);

   if(lots>maxlot)

     { lots=maxlot;  }

//--- get minimal step of volume changing

   double volume_step=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_STEP);

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

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

     {  lots=ratio*volume_step;}

   if(((AccountStopoutMode()==1) && 

      (AccountFreeMarginCheck(Symbol(),OP_BUY,lots)>AccountStopoutLevel()))

      || ((AccountStopoutMode()==0) && 

      ((AccountEquity()/(AccountEquity()-AccountFreeMarginCheck(Symbol(),OP_BUY,lots))*100)>AccountStopoutLevel())))

      return(lots);

/* else  Print("StopOut level  Not enough money for ",OP_SELL," ",lot," ",Symbol());*/

   return(0);

  }

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

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

//| Calculate optimal lot size                                       |

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

double LotsOptimized()

  {

   double lot=Lots;

   int    orders=OrdersHistoryTotal();     // history orders total

   int    losses=0;                  // number of losses orders without a break

//--- select lot size

   if(MaximumRisk>0)

     {

      lot=NormalizeDouble(AccountFreeMargin()*MaximumRisk/1000.0,1);

     }

//--- calcuulate number of losses orders without a break

   if(DecreaseFactor>0)

     {

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

        {

         if(OrderSelect(i,SELECT_BY_POS,MODE_HISTORY)==false)

           {

            Print("Error in history!");

            break;

           }

         if(OrderSymbol()!=Symbol() /*|| OrderType()>OP_SELL*/)

            continue;

         //---

         if(OrderProfit()>0) break;

         if(OrderProfit()<0) losses++;

        }

      if(losses>1)

         lot=NormalizeDouble(lot-lot*losses/DecreaseFactor,1);

     }

//--- minimal allowed volume for trade operations

   double minlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MIN);

   if(lot<minlot)

     { lot=minlot; }

// Print("Volume is less than the minimal allowed ,we use",minlot);}

// lot=minlot;



//--- maximal allowed volume of trade operations

   double maxlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MAX);

   if(lot>maxlot)

     { lot=maxlot;  }

//  Print("Volume is greater than the maximal allowed,we use",maxlot);}

// lot=maxlot;



//--- get minimal step of volume changing

   double volume_step=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_STEP);

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

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

     {  lot=ratio*volume_step;}

   return(lot);

/* else  Print("StopOut level  Not enough money for ",OP_SELL," ",lot," ",Symbol());

   return(0);*/

  }

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



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

double ND(double val)

  {

   return(NormalizeDouble(val, Digits));

  }

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

////////////////////////////////////////////////////////////////////////////////////

int getOpenOrders()

  {



   int Orders=0;

   for(int i=0; i<OrdersTotal(); i++)

     {

      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false)

        {

         continue;

        }

      if(OrderSymbol()!=Symbol() || OrderMagicNumber()!=MagicNumber)

        {

         continue;

        }

      Orders++;

     }

   return(Orders);

  }

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

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

//| Checking the new values of levels before order modification      |

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

bool OrderModifyCheck(int Ticket,double price,double sl,double tp)

  {

//--- select order by ticket

   if(OrderSelect(Ticket,SELECT_BY_TICKET))

     {

      //--- point size and name of the symbol, for which a pending order was placed

      string symbol=OrderSymbol();

      double point=SymbolInfoDouble(symbol,SYMBOL_POINT);

      //--- check if there are changes in the Open price

      bool PriceOpenChanged=true;

      int type=OrderType();

      if(!(type==OP_BUY || type==OP_SELL))

        {

         PriceOpenChanged=(MathAbs(OrderOpenPrice()-price)>point);

        }

      //--- check if there are changes in the StopLoss level

      bool StopLossChanged=(MathAbs(OrderStopLoss()-sl)>point);

      //--- check if there are changes in the Takeprofit level

      bool TakeProfitChanged=(MathAbs(OrderTakeProfit()-tp)>point);

      //--- if there are any changes in levels

      if(PriceOpenChanged || StopLossChanged || TakeProfitChanged)

         return(true);  // order can be modified      

      //--- there are no changes in the Open, StopLoss and Takeprofit levels

      else

      //--- notify about the error

         PrintFormat("Order #%d already has levels of Open=%.5f SL=%.5f TP=%.5f",

                     Ticket,OrderOpenPrice(),OrderStopLoss(),OrderTakeProfit());

     }

//--- came to the end, no changes for the order

   return(false);       // no point in modifying 

  }

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

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

bool CheckStopLoss_Takeprofit(ENUM_ORDER_TYPE type,double SL,double TP)

  {

//--- get the SYMBOL_TRADE_STOPS_LEVEL level

   int stops_level=(int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_STOPS_LEVEL);

   if(stops_level!=0)

     {

      PrintFormat("SYMBOL_TRADE_STOPS_LEVEL=%d: StopLoss and TakeProfit must"+

                  " not be nearer than %d points from the closing price",stops_level,stops_level);

     }

//---

   bool SL_check=false,TP_check=false;

//--- check only two order types

   switch(type)

     {

      //--- Buy operation

      case  ORDER_TYPE_BUY:

        {

         //--- check the StopLoss

         SL_check=(Bid-SL>stops_level*_Point);

         if(!SL_check)

            PrintFormat("For order %s StopLoss=%.5f must be less than %.5f"+

                        " (Bid=%.5f - SYMBOL_TRADE_STOPS_LEVEL=%d points)",

                        EnumToString(type),SL,Bid-stops_level*_Point,Bid,stops_level);

         //--- check the TakeProfit

         TP_check=(TP-Bid>stops_level*_Point);

         if(!TP_check)

            PrintFormat("For order %s TakeProfit=%.5f must be greater than %.5f"+

                        " (Bid=%.5f + SYMBOL_TRADE_STOPS_LEVEL=%d points)",

                        EnumToString(type),TP,Bid+stops_level*_Point,Bid,stops_level);

         //--- return the result of checking

         return(SL_check&&TP_check);

        }

      //--- Sell operation

      case  ORDER_TYPE_SELL:

        {

         //--- check the StopLoss

         SL_check=(SL-Ask>stops_level*_Point);

         if(!SL_check)

            PrintFormat("For order %s StopLoss=%.5f must be greater than %.5f "+

                        " (Ask=%.5f + SYMBOL_TRADE_STOPS_LEVEL=%d points)",

                        EnumToString(type),SL,Ask+stops_level*_Point,Ask,stops_level);

         //--- check the TakeProfit

         TP_check=(Ask-TP>stops_level*_Point);

         if(!TP_check)

            PrintFormat("For order %s TakeProfit=%.5f must be less than %.5f "+

                        " (Ask=%.5f - SYMBOL_TRADE_STOPS_LEVEL=%d points)",

                        EnumToString(type),TP,Ask-stops_level*_Point,Ask,stops_level);

         //--- return the result of checking

         return(TP_check&&SL_check);

        }

      break;

     }

//--- a slightly different function is required for pending orders

   return false;

  }

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



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

//|                                      exitbuys()                  |

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

void exitbuys()

  {

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

     {

      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

        {

         if(OrderType()==OP_BUY && OrderSymbol()==Symbol()/* && OrderMagicNumber()==MagicNumber*/)

           {

            result=OrderClose(OrderTicket(),OrderLots(),OrderClosePrice(),3,clrNONE);

            if(result!=true)//if it did not close

              {

               err=GetLastError(); Print("LastError = ",err);//get the reason why it didn't close

              }



           }

        }



     }

  }

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

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

//|                    exitsells()                                   |

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

void exitsells()

  {

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

     {

      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

        {



         if(OrderType()==OP_SELL && OrderSymbol()==Symbol()/* && OrderMagicNumber()==MagicNumber*/)

           {

            result=OrderClose(OrderTicket(),OrderLots(),OrderClosePrice(),3,clrNONE);

            if(result!=true)//if it did not close

              {

               err=GetLastError(); Print("LastError = ",err);//get the reason why it didn't close

              }



           }

        }



     }

  }

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

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

//|                                      exitbuys()                  |

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

void exitbuys1()

  {

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

     {

      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

        {

         if(OrderType()==OP_BUY && OrderSymbol()==Symbol() && OrderMagicNumber()==MagicNumber)

           {

            result=OrderClose(OrderTicket(),OrderLots(),OrderClosePrice(),3,clrNONE);

            if(result!=true)//if it did not close

              {

               err=GetLastError(); Print("LastError = ",err);//get the reason why it didn't close

              }



           }

        }



     }

  }

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

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

//|                    exitsells()                                   |

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

void exitsells1()

  {

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

     {

      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

        {



         if(OrderType()==OP_SELL && OrderSymbol()==Symbol()&& OrderMagicNumber()==MagicNumber)

           {

            result=OrderClose(OrderTicket(),OrderLots(),OrderClosePrice(),3,clrNONE);

            if(result!=true)//if it did not close

              {

               err=GetLastError(); Print("LastError = ",err);//get the reason why it didn't close

              }



           }

        }



     }

  }

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