Initial commit: MQL5 Indicators Collection (MetaTrader 5) - Part 3
This commit is contained in:
GeneralTradingSarl
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# 🚀 Unlock the Power of Trading!
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Welcome to this open-source trading project. Here you will find powerful tools to enhance your trading journey. If you find this project useful, please consider starring ⭐, sharing, or donating to support further development!
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---
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**Support the project:**
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- Star this repository on GitHub
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- Share it with your trading friends
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- [Donate here](https://www.paypal.com/donate/?hosted_button_id=YOUR_BUTTON_ID) to help us grow!
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---
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## Files included:
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### Source Files:
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- `recursivema.mq5`
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### Screenshots:
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> Made with ❤️ for the trading community.
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//+------------------------------------------------------------------+
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//| RecursiveMA.mq5 |
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//| Galafron |
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//| http://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "2009-2022, MetaQuotes Software Corp."
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#property link "http://www.mql5.com"
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#property version "1.1"
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#property description "Recursive Moving Average Unlimited"
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//+------------------------------------------------------------------+
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//| properties |
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//+------------------------------------------------------------------+
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#property indicator_chart_window
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#property indicator_buffers 2
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#property indicator_plots 2
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 HotPink
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#property indicator_width2 1
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#property indicator_label2 "Recursive MA"
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#property indicator_type2 DRAW_LINE
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#property indicator_color2 Yellow
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#property indicator_width2 1
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#property indicator_label2 "Trigger"
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#property indicator_applied_price PRICE_CLOSE
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//+------------------------------------------------------------------+
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//| input |
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//+------------------------------------------------------------------+
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enum ENUM_MA_METHOD_EXT { MOD_EMA, MOD_SMMA };
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input int InpPeriodMA=2; // period
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input int InpIteration=20; // number of iterations
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input ENUM_MA_METHOD_EXT InpMethodMA=MOD_EMA; // Moving average method
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input bool inpDisplaySignal; // display arrow
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//+------------------------------------------------------------------+
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//| global |
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//+------------------------------------------------------------------+
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double XemaBuffer[], TriggerBuffer[];
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double Ema[];
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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void OnInit()
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{
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ObjectsDeleteAll(0,MQLInfoString(MQL_PROGRAM_NAME),0);
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//--- indicator buffers mapping
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SetIndexBuffer(0,XemaBuffer,INDICATOR_DATA);
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//--- indicator buffers mapping
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SetIndexBuffer(1,TriggerBuffer,INDICATOR_DATA);
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//--- sets first bar from what index will be drawn
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PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,0);
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//--- name for indicator label
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PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,0);
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//--- name for indicator label
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IndicatorSetString(INDICATOR_SHORTNAME,"Recursive MA");
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//--- name for index label
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PlotIndexSetString(0,PLOT_LABEL,
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"Recursive EMA("+string(InpPeriodMA)+","+
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string(InpIteration)+","+
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EnumToString((ENUM_MA_METHOD_EXT)InpMethodMA)+","+
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string(inpDisplaySignal)+")");
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//--- initialization done
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ArrayResize(Ema,InpIteration);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator deinitialization function |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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ObjectsDeleteAll(0,MQLInfoString(MQL_PROGRAM_NAME),0);
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//--- The first way to get a deinitialization reason code
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Print(__FUNCTION__," Deinitialization reason code = ",reason);
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//--- The second way to get a deinitialization reason code
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Print(__FUNCTION__," _UninitReason = ",getUninitReasonText(_UninitReason));
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//--- The third way to get a deinitialization reason code
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Print(__FUNCTION__," UninitializeReason() = ",getUninitReasonText(UninitializeReason()));
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}
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//+------------------------------------------------------------------+
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//| Return a textual description of the deinitialization reason code |
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//+------------------------------------------------------------------+
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string getUninitReasonText(int reasonCode)
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{
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string text="";
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//---
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switch(reasonCode)
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{
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case REASON_ACCOUNT:
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text="Account was changed";break;
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case REASON_CHARTCHANGE:
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text="Symbol or timeframe was changed";break;
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case REASON_CHARTCLOSE:
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text="Chart was closed";break;
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case REASON_PARAMETERS:
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text="Input-parameter was changed";break;
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case REASON_RECOMPILE:
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text="Program "+__FILE__+" was recompiled";break;
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case REASON_REMOVE:
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text="Program "+__FILE__+" was removed from chart";break;
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case REASON_TEMPLATE:
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text="New template was applied to chart";break;
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default:text="Another reason";
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}
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//---
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return text;
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}//+------------------------------------------------------------------+
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//| main method |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &Time[],
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const double &Open[],
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const double &High[],
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const double &Low[],
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const double &Close[],
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const long &TickVolume[],
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const long &Volume[],
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const int &Spread[])
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{
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//--- check for data
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if(rates_total<3*InpPeriodMA-3)
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return(0);
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//--- init array in case of restart
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int limit=0;
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if(prev_calculated==0)
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{
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ArrayInitialize(XemaBuffer,0);
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ArrayInitialize(TriggerBuffer,0);
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for(int i = 0 ; i < ArraySize(Ema) ; i++)
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Ema[i]=Open[0];
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}
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else
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limit=prev_calculated-1;
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//--- filter in open prices
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if(rates_total==prev_calculated)
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return(rates_total);
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//--- calculate MA
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for(int i = limit; i < rates_total; i++)
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if(i>0)
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{
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for(int j = 0 ; j < InpIteration ; j++)
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{
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//--- init loop sum up array
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if(j == 0)
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if(InpMethodMA == MOD_EMA)
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Ema [j] = Open [ i ] * 2.0 / (InpPeriodMA + 1.0) + Ema [ j ] * (1 - 2.0 / (InpPeriodMA + 1.0)) ;
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else
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Ema [j] =(Open [ i ] + Ema [ j ] * (MathMin(i, InpPeriodMA) - 1.0)) / MathMin(i, InpPeriodMA) ;
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//--- fill loop sum up array
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else
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if(InpMethodMA == MOD_EMA)
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Ema [j] = Ema [ j - 1 ] * 2.0 / (InpPeriodMA + 1.0) + Ema [ j ] * (1 - 2.0 / (InpPeriodMA + 1.0)) ;
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else
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Ema [j] =(Ema [ j - 1 ] + Ema [ j ] * (MathMin(i, InpPeriodMA) - 1.0)) / MathMin(i, InpPeriodMA) ;
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//--- trigger sum up array
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if(j == 0)
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TriggerBuffer[i] = (InpIteration - j) * Ema [j] / InpIteration / (InpIteration + 1.0) * 2.0;
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else
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TriggerBuffer[i] += (InpIteration - j) * Ema [j] / InpIteration / (InpIteration + 1.0) * 2.0;
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}
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XemaBuffer[i] = Ema [ InpIteration - 1 ] ;
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//--- look for signal
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if(i>1&&inpDisplaySignal)
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if(TriggerBuffer[i-0] > XemaBuffer[i-0] && TriggerBuffer[i-1] < XemaBuffer[i-1])
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if(!ArrowCreate(0,MQLInfoString(MQL_PROGRAM_NAME)+"_ArrowBuy_"+(string)i,0,Time[i],Open[i]+SymbolInfoInteger(NULL,SYMBOL_SPREAD)*_Point,clrLime))
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return(rates_total);
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else{}
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else
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if(TriggerBuffer[i-0] < XemaBuffer[i-0] && TriggerBuffer[i-1] > XemaBuffer[i-1])
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if(!ArrowCreate(0,MQLInfoString(MQL_PROGRAM_NAME)+"_ArrowSell_"+(string)i,0,Time[i],Open[i],clrRed))
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return(rates_total);
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}
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//---filter in open price
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//| display arrpow |
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//+------------------------------------------------------------------+
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bool ArrowCreate(const long chart_ID=0, // chart's ID
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const string name="ArrowBuy", // sign name
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const int sub_window=0, // subwindow index
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datetime time=0, // anchor point time
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double price=0, // anchor point price
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const color clr=C'3,95,172', // sign color
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const ENUM_LINE_STYLE style=STYLE_SOLID, // line style (when highlighted)
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const int width=3, // line size (when highlighted)
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const bool back=false, // in the background
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const bool selection=false, // highlight to move
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const bool hidden=true, // hidden in the object list
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const long z_order=0) // priority for mouse click
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{
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//--- reset the error value
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ResetLastError();
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//--- create the sign
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if(!ObjectCreate(chart_ID,name,(clr==clrLime? OBJ_ARROW_BUY:OBJ_ARROW_SELL),sub_window,time,price))
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{
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Print(__FUNCTION__,
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": failed to create \"Buy\" sign! Error code = ",GetLastError());
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return(false);
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}
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//--- set a sign color
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ObjectSetInteger(chart_ID,name,OBJPROP_COLOR,clr);
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//--- set a line style (when highlighted)
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ObjectSetInteger(chart_ID,name,OBJPROP_STYLE,style);
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//--- set a line size (when highlighted)
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ObjectSetInteger(chart_ID,name,OBJPROP_WIDTH,width);
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//--- display in the foreground (false) or background (true)
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ObjectSetInteger(chart_ID,name,OBJPROP_BACK,back);
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//--- enable (true) or disable (false) the mode of moving the sign by mouse
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ObjectSetInteger(chart_ID,name,OBJPROP_SELECTABLE,selection);
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ObjectSetInteger(chart_ID,name,OBJPROP_SELECTED,selection);
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//--- hide (true) or display (false) graphical object name in the object list
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ObjectSetInteger(chart_ID,name,OBJPROP_HIDDEN,hidden);
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//--- set the priority for receiving the event of a mouse click in the chart
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ObjectSetInteger(chart_ID,name,OBJPROP_ZORDER,z_order);
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//--- successful execution
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return(true);
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}
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