forked from zjwzjw20062007/MQL5Book
73 lines
2.5 KiB
MQL5
73 lines
2.5 KiB
MQL5
//+------------------------------------------------------------------+
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//| EmbeddedIndicator.mq5 |
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//| Copyright 2022, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property indicator_chart_window
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#property indicator_buffers 0
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#property indicator_plots 0
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input int Reference = 0;
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int handle = 0;
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//+------------------------------------------------------------------+
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//| Helper function to get relative location inside MQL5 folder |
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//+------------------------------------------------------------------+
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string GetMQL5Path()
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{
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static const string MQL5 = "\\MQL5\\";
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static const int length = StringLen(MQL5) - 1;
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static const string path = MQLInfoString(MQL_PROGRAM_PATH);
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const int start = StringFind(path, MQL5);
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if(start != -1)
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{
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return StringSubstr(path, start + length);
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}
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return path;
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}
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//+------------------------------------------------------------------+
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//| Indicator initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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Print(Reference);
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Print("Name: " + MQLInfoString(MQL_PROGRAM_NAME));
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Print("Full path: " + MQLInfoString(MQL_PROGRAM_PATH));
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const string location = GetMQL5Path();
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Print("Location in MQL5:" + location);
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if(Reference == 0)
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{
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handle = iCustom(_Symbol, _Period, location, 1);
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if(handle == INVALID_HANDLE)
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{
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return INIT_FAILED;
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}
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}
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Print("Success");
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return INIT_SUCCEEDED;
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}
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//+------------------------------------------------------------------+
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//| Indicator calculation function (dummy here) |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const int begin,
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const double &price[])
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{
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return rates_total;
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}
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//+------------------------------------------------------------------+
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//| Indicator finalization function |
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//+------------------------------------------------------------------+
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void OnDeinit(const int)
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{
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Print("Deinit ", Reference);
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IndicatorRelease(handle);
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}
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//+------------------------------------------------------------------+
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