MQL5Book/Indicators/p7/SubFolder/NonEmbeddedIndicator.mq5

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2025-05-30 16:09:41 +02:00
//+------------------------------------------------------------------+
//| NonEmbeddedIndicator.mq5 |
//| Copyright 2022, MetaQuotes Ltd. |
//| https://www.mql5.com |
//+------------------------------------------------------------------+
#property indicator_chart_window
#property indicator_buffers 0
#property indicator_plots 0
input int Reference = 0;
int handle = 0;
//+------------------------------------------------------------------+
//| Indicator initialization function |
//+------------------------------------------------------------------+
int OnInit()
{
const string name = MQLInfoString(MQL_PROGRAM_NAME);
const string path = MQLInfoString(MQL_PROGRAM_PATH);
Print(Reference);
Print("Name: " + name);
Print("Full path: " + path);
if(Reference == 0)
{
handle = iCustom(_Symbol, _Period, name, 1);
if(handle == INVALID_HANDLE)
{
return INIT_FAILED;
}
}
Print("Success");
return INIT_SUCCEEDED;
}
//+------------------------------------------------------------------+
//| Indicator calculation function (dummy here) |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
const int prev_calculated,
const int begin,
const double &price[])
{
return rates_total;
}
//+------------------------------------------------------------------+
//| Indicator finalization function |
//+------------------------------------------------------------------+
void OnDeinit(const int)
{
IndicatorRelease(handle);
}
//+------------------------------------------------------------------+