forked from rosh/MQL5Book
34 lines
1.4 KiB
MQL5
34 lines
1.4 KiB
MQL5
 | //+------------------------------------------------------------------+
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//| GlobalsList.mq5 |
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//| Copyright 2021, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#include "..\..\Include\PRTF.mqh"
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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// try to request a name for a variable with too large index
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// (it's assumed you don't have 1 million variables)
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PRTF(GlobalVariableName(1000000));
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// then get the total number of variables and enumerate them
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int n = PRTF(GlobalVariablesTotal());
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for(int i = 0; i < n; ++i)
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{
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const string name = GlobalVariableName(i);
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PrintFormat("%d %s=%f", i, name, GlobalVariableGet(name));
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}
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/*
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example output
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GlobalVariableName(1000000)= / GLOBALVARIABLE_NOT_FOUND(4501)
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GlobalVariablesTotal()=3 / ok
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0 GlobalsRunCheck.mq5=3.000000
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1 GlobalsRunCount.mq5=4.000000
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2 abracadabra=0.000000
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*/
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}
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//+------------------------------------------------------------------+
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