GetArrayItemValue

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#import DLLSample.dll
int    GetIntValue(int);
double GetDoublevalue(double);
string GetStringValue(string);
double GetArrayItemValue(double arr[],int,int);
bool   SetArrayItemValue(double arr[],int,int,double);
double GetRatesItemValue(MqlRates rates[],int,int,int);
#import
#define TIME_INDEX   0
#define OPEN_INDEX   1
#define LOW_INDEX    2
#define HIGH_INDEX   3
#define CLOSE_INDEX 4
#define VOLUME_INDEX 5
//+------------------------------------------------------------------+
//| expert initialization function                       |
//+------------------------------------------------------------------+
int init()
 {
   double ret,some_value=10.5;
   string sret;
   int    cnt;
//--- simple dll-functions call
   cnt=GetIntValue(int(some_value));
   Print( Returned value is ,cnt);
   ret=GetDoublevalue(some_value);
   Print( Returned value is ,ret);
   sret=GetStringValue( some string
   Print( Returned value is ,sret);
//---
   return(0);
 }
//+------------------------------------------------------------------+
//| array functions call                               |
//+------------------------------------------------------------------+
int start()
 {
   double   price;
   double   arr[5]={1.5,2.6,3.7,4.8,5.9 };
   MqlRates rates[];
//--- get first item from passed array
   price=GetArrayItemValue(arr,5,0);
   Print( Returned from arr[0] ,price);
//--- change second item in the passed array
   if(SetArrayItemValue(arr,5,1,1234.5)==true)
     Print( Changed to ,arr[1]);
//--- get current close
   ArrayCopyRates(rates);
   price=GetRatesItemValue(rates,Bars,0,CLOSE_INDEX);
   Print( Returned from Close ,price);
//---
   return(0);
 }
//+------------------------------------------------------------------+

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