high and lowest of yesterday

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hi guys  i try to find  highest and lowest of  yesterday  i use this  code  but  for me not  work 

 
//+------------------------------------------------------------------+
//|           OPEN CLOSE HIGHEST YESTERDAY                           |
//+------------------------------------------------------------------+
void OpenCloseHighestLowestYesterday()
{
 
  datetime yesterday[];
  double open[], close[];
  CopyTime(_Symbol,PERIOD_D1,1,1,yesterday);
//
  CopyOpen(_Symbol,PERIOD_M30,yesterday[0],48,open);
  CopyClose(_Symbol,PERIOD_M30,yesterday[0],48,close);
//
  double Lowest = MathMin(open[ArrayMinimum(open,WHOLE_ARRAY,0)],close[ArrayMinimum(close,WHOLE_ARRAY,0)]);
  double Highest = MathMax(open[ArrayMaximum(open,WHOLE_ARRAY,0)],close[ArrayMaximum(close,WHOLE_ARRAY,0)]);
  printf("*** Lowest H1 candle open/close yesterday : %g ---- Highest H1 candle open/close yesterday : %g",Lowest,Highest);  
}
//+------------------------------------------------------------------+

return me  worng high and  lowest

 

now  work thankz at all 

void OpenCloseHighestLowestYesterday()
{
 
  datetime yesterday[];
  double HighPrice[], LowPrice[];
  CopyTime(_Symbol,PERIOD_D1,0,1,yesterday);
//
  CopyHigh(_Symbol,PERIOD_M30,yesterday[0],48,HighPrice);
  CopyLow(_Symbol,PERIOD_M30,yesterday[0],48,LowPrice);
//
  double Lowest = MathMin(HighPrice[ArrayMinimum(HighPrice,WHOLE_ARRAY,0)],LowPrice[ArrayMinimum(LowPrice,WHOLE_ARRAY,0)]);
  double Highest = MathMax(HighPrice[ArrayMaximum(HighPrice,WHOLE_ARRAY,0)],LowPrice[ArrayMaximum(LowPrice,WHOLE_ARRAY,0)]);
  printf("*** Lowest M30 candle open/close yesterday : %g ---- Highest M30 candle open/close yesterday : %g",Lowest,Highest);  
}
  
  1.  double HighPrice[], LowPrice[];
  CopyTime(_Symbol,PERIOD_D1,0,1,yesterday);
//
  CopyHigh(_Symbol,PERIOD_M30,yesterday[0],48,HighPrice);
  CopyLow(_Symbol,PERIOD_M30,yesterday[0],48,LowPrice);
    On MT4: Unless the current chart is that specific symbol(s)/TF(s) referenced, you must handle 4066/4073 errors before accessing candle/indicator values.
              Download history in MQL4 EA - Forex Calendar - MQL4 programming forum - Page 3 #26 № 4

  2. faustf: try to find  highest and lowest of  yesterday  
    int     iBOY  = iBarShift(NULL,0, yesterday() );
int     iBOD  = iBarShift(NULL,0, date()      );
int     nBars = iBOD - iBOY;
int     iHHy  = iHighest(NULL,0, MODE_HIGH, nBars, iBOD+1);
double  HHy   = High[iHHy];
              Find bar of the same time one day ago - MQL4 programming forum
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