How can i draw arrow & alert in an indicator after candle close

999904 2022.08.30 17:23
any expert please help me my indicator show me arrow & alert when candle start but i want that arrow & alert show after candle close. if any expert help me i will share code & indicator screen shot also.
thanks in advance.
double hma[];
double hmada[];
double hmadb[];
double arrowUp[];
double arrowDn[];
double work[];
double trend[];
double         ExtBuffer0[];
double         ExtBuffer1[];
double         ExtBuffer2[];
double         ExtBuffer3[];
double         ExtBuffer4[];
double         ExtBuffer5[];
double         ExtBufferh1[];
double         ExtBufferh2[];

int    HalfPeriod;
int    HullPeriod;

string indicatorFileName;
bool   returnBars;
bool   calculateValue;
int    timeFrame;
//--------------------------------------------------------
int init()
{
      IndicatorBuffers(15);
      SetIndexBuffer(0,hma);
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0,159);
      SetIndexBuffer(1,hmada);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1,159);
      SetIndexBuffer(2,hmadb);
      SetIndexBuffer(3,arrowUp);   
      SetIndexBuffer(4,arrowDn);
      SetIndexBuffer(5,trend);
      SetIndexBuffer(6,work);   
      SetIndexBuffer(7,ExtBufferh1);
      SetIndexBuffer(8,ExtBufferh2);
      SetIndexBuffer(9,ExtBuffer3);
      SetIndexBuffer(10,ExtBuffer4);
      SetIndexBuffer(11,ExtBuffer5);
      SetIndexBuffer(12,ExtBuffer0);
      SetIndexBuffer(13,ExtBuffer1);
      SetIndexBuffer(14,ExtBuffer2);

   
   
      if (ShowArrows)
      {
        SetIndexStyle(3,DRAW_ARROW,0,5); SetIndexArrow(3,241);
        SetIndexStyle(4,DRAW_ARROW,0,5); SetIndexArrow(4,242);   
      }
      else
      {
        SetIndexStyle(3,DRAW_NONE);
        SetIndexStyle(4,DRAW_NONE);
      }       
//---------------------------------------------------------------
      HMAPeriod  = MathMax(2,HMAPeriod);
      HalfPeriod = MathFloor(HMAPeriod/HMASpeed);
      HullPeriod = MathFloor(MathSqrt(HMAPeriod));

         indicatorFileName = WindowExpertName();
         calculateValue    = TimeFrame=="calculateValue"; if (calculateValue) { return(0); }
         returnBars        = TimeFrame=="returnBars";     if (returnBars)     { return(0); }
         timeFrame         = stringToTimeFrame(TimeFrame);
//--------------------------------------------------------------------------------------------
   IndicatorShortName("CI_01 ");
   return(0);
}
      
void deinit()
{
   deleteLines();
}
void deleteLines()
{
   int lookForLength = StringLen(UniqueID);
   for (int i= ObjectsTotal()-1; i>=0; i--)
   {
      string name = ObjectName(i);
      if (StringSubstr(name,0,lookForLength)==UniqueID) ObjectDelete(name);
   }
}
int start()
{   
      int    limit;
      double Value=0,Value1=0,Value2=0,Fish=0,Fish1=0,Fish2=0;
      double price;
      double MinL=0;
      double MaxH=0;
      int i,counted_bars = IndicatorCounted();
      if(counted_bars<0) return(-1);
      if(counted_bars>0) counted_bars--;   
      string sAlertMsg;
      limit=MathMin(Bars-counted_bars,Bars-1);
      if (returnBars) { hma[0] = MathMin(limit+1,Bars-1); return(0); }
      for(i=0; i<limit; i++)
    {  MaxH = High[Highest(NULL,0,MODE_HIGH,period,i)];
       MinL = Low[Lowest(NULL,0,MODE_LOW,period,i)];
       price = (High[i]+Low[i])/2;
       Value = 0.33*2*((price-MinL)/(MaxH-MinL)-0.5) + 0.67*Value1;     
       Value=MathMin(MathMax(Value,-0.999),0.999);
       ExtBuffer0[i]=0.5*MathLog((1+Value)/(1-Value))+0.5*Fish1;
       Value1=Value;
       Fish1=ExtBuffer0[i];
       if (ExtBuffer0[i]>0) ExtBuffer1[i]=10; else ExtBuffer1[i]=-10;      
    }
       for(i=limit; i>=0; i--)
    {
       double sum  = 0;
       double sumw = 0;

       for(int k=0; k<smooth && (i+k)<Bars; k++)
    {
       double weight = smooth-k;
       sumw  += weight;
       sum   += weight*ExtBuffer1[i+k];  
    }             
       if (sumw!=0)
       ExtBuffer2[i] = sum/sumw;
       else  ExtBuffer2[i] = 0;
   }      
       for(i=0; i<=limit; i++)
   {
       sum  = 0;
       sumw = 0;

       for(k=0; k<smooth && (i-k)>=0; k++)
   {
       weight = smooth-k;
       sumw  += weight;
       sum   += weight*ExtBuffer2[i-k];
   }             
       if (sumw!=0)
       ExtBuffer3[i] = sum/sumw;
       else  ExtBuffer3[i] = 0;
   }      
       for(i=limit; i>=0; i--)
   {
       ExtBuffer4[i]=EMPTY_VALUE;
       ExtBuffer5[i]=EMPTY_VALUE;
       ExtBufferh1[i]=EMPTY_VALUE;
       ExtBufferh2[i]=EMPTY_VALUE;
       if (ExtBuffer3[i]>0) { ExtBuffer4[i]=ExtBuffer3[i]; ExtBufferh1[i]=ExtBuffer3[i]; }
       if (ExtBuffer3[i]<0) { ExtBuffer5[i]=ExtBuffer3[i]; ExtBufferh2[i]=ExtBuffer3[i]; }
   }
   {
       if (trend[limit] == -1) CleanPoint(limit,hmada,hmadb);
       for(i=limit; i>=0; i--) work[i] = 2.0*iMA(NULL,0,HalfPeriod,0,MODE_LWMA,HMAPrice,i)-iMA(NULL,0,HMAPeriod,0,MODE_LWMA,HMAPrice,i);
       for(i=limit; i>=0; i--)
   {
       hma[i]   = iMAOnArray(work,0,HullPeriod,0,MODE_LWMA,i);
       hmada[i] = EMPTY;
       hmadb[i] = EMPTY_VALUE;
       trend[i] = trend[i+1];
       if (hma[i] > hma[i+1]) trend[i] =  1;
       if (hma[i] < hma[i+1]) trend[i] = -1;
       if (trend[i] == -1) PlotPoint(i,hmada,hmadb,hma);
       if (trend[i]!= trend[i+1])
       if (ExtBuffer3[i]>1)
       arrowUp[i] = hma[i] - iATR(NULL,0,+80,i)/1.0;
       else
       if (trend[i]!= trend[i-1])
       if (ExtBuffer3[i]<1)
       arrowDn[i] = hmada[i] + iATR(NULL,0,+80,i)/1.0;
      }
      {
      if (trend[i]!= trend[i+1] && (ExtBuffer3[i]>0))
      arrowUp[i] = High[i+1];
      
      if (trend[i]!= trend[i-1] && (ExtBuffer3[i]<0))
      arrowDn[i] = Low[i+1];
      }
       
//ALERT---------------------------------------------------------       
   manageAlerts();
   return(0);
   }
   int shift = -1; if (ArrowsOnCloseBar) shift=1;
   limit = MathMax(limit,MathMin(Bars-1,iCustom(NULL,timeFrame,indicatorFileName,"returnBars",0,0)*timeFrame/Period()));
   if (trend[limit]==-1) CleanPoint(limit,hmada,hmadb);
   for (i=limit; i>=0; i--)
   {
      int y = iBarShift(NULL,timeFrame,Time[i]);
      int x = iBarShift(NULL,timeFrame,Time[i+shift]);
         trend[i]  = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",HMAPeriod,HMAPrice,HMASpeed,ColorUp,ColorDown,UniqueID,alertsOn,alertsOnCloseBar,alertsMessage,alertsSound,5,y);
         hma[i]    = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",HMAPeriod,HMAPrice,HMASpeed,ColorUp,ColorDown,UniqueID,alertsOn,alertsOnCloseBar,alertsMessage,alertsSound,0,y);
         hmada[i]  = EMPTY_VALUE;
         hmadb[i]  = EMPTY_VALUE;
         
      if(x!=y)
      {
        arrowUp[i] = iCustom(NULL,timeFrame,indicatorFileName,"CalculateValue",HMAPeriod,HMAPrice,HMASpeed,ColorUp,ColorDown,UniqueID,alertsOn,alertsOnCloseBar,alertsMessage,alertsSound,3,y);
        arrowDn[i] = iCustom(NULL,timeFrame,indicatorFileName,"CalculateValue",HMAPeriod,HMAPrice,HMASpeed,ColorUp,ColorDown,UniqueID,alertsOn,alertsOnCloseBar,alertsMessage,alertsSound,4,y);
      }
      else
      {
        arrowUp[i] = EMPTY_VALUE;
        arrowDn[i] = EMPTY_VALUE;
      }
   }
   for (i=limit;i>=0;i--) if (trend[i]==-1) PlotPoint(i,hmada,hmadb,hma);
   return(0);         
}
//+-------------------------------------------------------------------
void manageAlerts()
{
   if (alertsOn)
   {
      if (alertsOnCloseBar)
           int whichBar = 0;
      else     whichBar = 1;
      if (trend[whichBar] != trend[whichBar+1])
      {
         if (trend[whichBar] ==  1) doAlert(whichBar,"up");
         if (trend[whichBar] == -1) doAlert(whichBar,"down");
      }
   }
}
//--------------------------------------------------------------------
void doAlert(int forBar, string doWhat)
{
   static string   previousAlert="nothing";
   static datetime previousTime;
   string message;
   
   if (previousAlert != doWhat || previousTime != Time[forBar]) {
       previousAlert  = doWhat;
       previousTime   = Time[forBar];
       message =  Symbol()+" "+timeFrameToString(Period())+" "+doWhat;
          if (alertsMessage) Alert(message);
          if (alertsSound)   PlaySound("alert2.wav");
   }
}
//-------------------------------------------------------------------
      void CleanPoint(int i,double& first[],double& second[])
   {
      if ((second[i]  != EMPTY_VALUE) && (second[i+1] != EMPTY_VALUE))
      second[i+1] = EMPTY_VALUE;
      else
      if ((first[i] != EMPTY_VALUE) && (first[i+1] != EMPTY_VALUE) && (first[i+2] == EMPTY_VALUE))
      first[i+1] = EMPTY_VALUE;
   }
//-----------------------------------------------------------------------
      void PlotPoint(int i,double& first[],double& second[],double& from[])
   {
      if (first[i+1] == EMPTY_VALUE)
   {
      if (first[i+2] == EMPTY_VALUE) {
      first[i]   = from[i];
      first[i+1] = from[i+1];
      second[i]  = EMPTY_VALUE;
   }
      else {
      second[i]   =  from[i];
      second[i+1] =  from[i+1];
      first[i]    = EMPTY_VALUE;
   }
   }
      else
   {
      first[i]  = from[i];
      second[i] = EMPTY_VALUE;
   }
   }
//-------------------------------------------------------------------
      string sTfTable[] = {"M1","M5","M15","M30","H1","H4","D1","W1","MN"};
      int    iTfTable[] = {1,5,15,30,60,240,1440,10080,43200};
      int stringToTimeFrame(string tfs)
   {
      tfs = stringUpperCase(tfs);
      for (int i=ArraySize(iTfTable)-1; i>=0; i--)
      if (tfs==sTfTable[i] || tfs==""+iTfTable[i]) return(MathMax(iTfTable[i],Period()));
      return(Period());
   }
      string timeFrameToString(int tf)
   {
      for (int i=ArraySize(iTfTable)-1; i>=0; i--)
      if (tf==iTfTable[i]) return(sTfTable[i]);
      return("");
   }
//---------------------------------------------------------
      string stringUpperCase(string str)
   {
      string   s = str;

      for (int length=StringLen(str)-1; length>=0; length--)
   {
      int tchar = StringGetChar(s, length);
      if((tchar > 96 && tchar < 123) || (tchar > 223 && tchar < 256))
      s = StringSetChar(s, length, tchar - 32);
      else if(tchar > -33 && tchar < 0)
      s = StringSetChar(s, length, tchar + 224);
   }
      return(s);
   }