View difference between Paste ID: qYnZQ7Ep and hRpeCwRc

 //+------------------------------------------------------------------+
 //|                                                          ADX.mq5 |
 //|                        Copyright 2009, MetaQuotes Software Corp. |
 //|                                              http://www.mql5.com |
 //+------------------------------------------------------------------+
 #property copyright   "2009, MetaQuotes Software Corp."
 #property link        "http://www.mql5.com"
 #property description "Average Directional Movement Index"
 #include <MovingAverages.mqh>
 
 #property indicator_separate_window
 #property indicator_buffers 6
 #property indicator_plots   3
 #property indicator_type1   DRAW_LINE
 #property indicator_color1  LightSeaGreen
 #property indicator_style1  STYLE_SOLID
 #property indicator_width1  1
 #property indicator_type2   DRAW_LINE
 #property indicator_color2  YellowGreen
 #property indicator_style2  STYLE_DOT
 #property indicator_width2  1
 #property indicator_type3   DRAW_LINE
 #property indicator_color3  Wheat
 #property indicator_style3  STYLE_DOT
 #property indicator_width3  1
 #property indicator_label1  "ADX"
 #property indicator_label2  "+DI"
 #property indicator_label3  "-DI"
 //--- input parameters
 input int InpPeriodADX=14; // Period
 input int    TriggerCandle 	= 0;
 input bool   EnableNativeAlerts = true;
 input bool   EnableSoundAlerts  = true;
 input string AlertText  	= "ADX_Crossing";
 input string SoundFileName	= "alert.wav";
 datetime LastAlertTime = D'01.01.1970';
 int LastAlertDirection = 0;
 //---- buffers
 double    ExtADXBuffer[];
 double    ExtPDIBuffer[];
 double    ExtNDIBuffer[];
 double    ExtPDBuffer[];
 double    ExtNDBuffer[];
 double    ExtTmpBuffer[];
 //--- global variables
 int       ExtADXPeriod;
 //+------------------------------------------------------------------+
 //| Custom indicator initialization function                         |
 //+------------------------------------------------------------------+
 void OnInit()
   {
 //--- check for input parameters
    if(InpPeriodADX>=100 || InpPeriodADX<=0)
      {
       ExtADXPeriod=14;
       printf("Incorrect value for input variable Period_ADX=%d. Indicator will use value=%d for calculations.",InpPeriodADX,ExtADXPeriod);
      }
    else ExtADXPeriod=InpPeriodADX;
 //---- indicator buffers
    SetIndexBuffer(0,ExtADXBuffer);
    SetIndexBuffer(1,ExtPDIBuffer);
    SetIndexBuffer(2,ExtNDIBuffer);
    SetIndexBuffer(3,ExtPDBuffer,INDICATOR_CALCULATIONS);
    SetIndexBuffer(4,ExtNDBuffer,INDICATOR_CALCULATIONS);
    SetIndexBuffer(5,ExtTmpBuffer,INDICATOR_CALCULATIONS);
 //--- indicator digits
    IndicatorSetInteger(INDICATOR_DIGITS,2);
 //--- set draw begin
    PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,ExtADXPeriod<<1);
    PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,ExtADXPeriod);
    PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,ExtADXPeriod);
 //--- indicator short name
    string short_name="ADX("+string(ExtADXPeriod)+")";
    IndicatorSetString(INDICATOR_SHORTNAME,short_name);
 //--- change 1-st index label
    PlotIndexSetString(0,PLOT_LABEL,short_name);
 //---- end of initialization function
   }
 //+------------------------------------------------------------------+
 //| Custom indicator iteration function                              |
 //+------------------------------------------------------------------+
 int OnCalculate(const int rates_total,
                 const int prev_calculated,
                 const datetime &time[],
                 const double &open[],
                 const double &high[],
                 const double &low[],
                 const double &close[],
                 const long &tick_volume[],
                 const long &volume[],
                 const int &spread[])
   {
 //--- checking for bars count
    if(rates_total<ExtADXPeriod)
       return(0);
 //--- detect start position
    int start;
    if(prev_calculated>1) start=prev_calculated-1;
    else
      {
       start=1;
       ExtPDIBuffer[0]=0.0;
       ExtNDIBuffer[0]=0.0;
       ExtADXBuffer[0]=0.0;
      }
 //--- main cycle
    for(int i=start;i<rates_total && !IsStopped();i++)
      {
       //--- get some data
       double Hi    =high[i];
       double prevHi=high[i-1];
       double Lo    =low[i];
       double prevLo=low[i-1];
       double prevCl=close[i-1];
       //--- fill main positive and main negative buffers
       double dTmpP=Hi-prevHi;
       double dTmpN=prevLo-Lo;
       if(dTmpP<0.0)   dTmpP=0.0;
       if(dTmpN<0.0)   dTmpN=0.0;
       if(dTmpP>dTmpN) dTmpN=0.0;
       else
         {
          if(dTmpP<dTmpN) dTmpP=0.0;
          else
            {
             dTmpP=0.0;
             dTmpN=0.0;
            }
         }
       //--- define TR
       double tr=MathMax(MathMax(MathAbs(Hi-Lo),MathAbs(Hi-prevCl)),MathAbs(Lo-prevCl));
       //---
       if(tr!=0.0)
         {
          ExtPDBuffer[i]=100.0*dTmpP/tr;
          ExtNDBuffer[i]=100.0*dTmpN/tr;
         }
       else
         {
          ExtPDBuffer[i]=0.0;
          ExtNDBuffer[i]=0.0;
         }
       //--- fill smoothed positive and negative buffers
       ExtPDIBuffer[i]=ExponentialMA(i,ExtADXPeriod,ExtPDIBuffer[i-1],ExtPDBuffer);
       ExtNDIBuffer[i]=ExponentialMA(i,ExtADXPeriod,ExtNDIBuffer[i-1],ExtNDBuffer);
       //--- fill ADXTmp buffer
       double dTmp=ExtPDIBuffer[i]+ExtNDIBuffer[i];
       if(dTmp!=0.0)
          dTmp=100.0*MathAbs((ExtPDIBuffer[i]-ExtNDIBuffer[i])/dTmp);
       else
          dTmp=0.0;
       ExtTmpBuffer[i]=dTmp;
       //--- fill smoothed ADX buffer
       ExtADXBuffer[i]=ExponentialMA(i,ExtADXPeriod,ExtADXBuffer[i-1],ExtTmpBuffer);
      }
 //---- OnCalculate done. Return new prev_calculated.
 if (((TriggerCandle > 0) && (time[rates_total - 1] > LastAlertTime)) || (TriggerCandle == 0))
 {
 	string Text;
-	if ((ExtPDIBuffer[rates_total - 1 - TriggerCandle] > 20) && (ExtPDIBuffer[rates_total - 2 - TriggerCandle] <= 40))
+
 	if (((ExtPDIBuffer[rates_total - 1 - TriggerCandle] > 20) && (ExtPDIBuffer[rates_total - 2 - TriggerCandle] <= 40)) && ((TriggerCandle > 0) || ((TriggerCandle == 0) && (LastAlertDirection != 1))))
 	{
 		Text = AlertText + "ExtPDIBuffer: " + Symbol() + " - " + EnumToString(Period()) + " - Above Zero.";
 		if (EnableNativeAlerts) Alert(Text);
 		if (EnableSoundAlerts) PlaySound(SoundFileName);
 		LastAlertTime = time[rates_total - 1];
 		LastAlertDirection = 1;
-	if ((ExtPDIBuffer[rates_total - 1 - TriggerCandle] < 20) && (ExtPDIBuffer[rates_total - 2 - TriggerCandle] >= 40))
+
 	// Below Zero Alert
 	if (((ExtPDIBuffer[rates_total - 1 - TriggerCandle] < 20) && (ExtPDIBuffer[rates_total - 2 - TriggerCandle] >= 40)) && ((TriggerCandle > 0) || ((TriggerCandle == 0) && (LastAlertDirection != -1))))
 	{
 		Text = AlertText + "ExtPDIBuffer: " + Symbol() + " - " + EnumToString(Period()) + " - Below Zero.";
 		if (EnableNativeAlerts) Alert(Text);
 		if (EnableSoundAlerts) PlaySound(SoundFileName);
 		LastAlertTime = time[rates_total - 1];
 		LastAlertDirection = -1;
 	}
 }
    return(rates_total);
   }
 //+------------------------------------------------------------------+