64 lines
2.5 KiB
MQL5
64 lines
2.5 KiB
MQL5
//+------------------------------------------------------------------+
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//| CustomSymbolProperties.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 copyright "Copyright 2022, MetaQuotes Ltd."
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#property link "https://www.mql5.com"
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#property description "Create or delete specified custom symbol based on current chart's symbol."
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#property script_show_inputs
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#include "..\..\Include\PRTF.mqh"
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#include "..\..\Include\CustomSymbolMonitor.mqh"
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input string CustomSymbol = "Dummy"; // Custom Symbol Name
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input string CustomPath = "MQL5Book\\Part7"; // Custom Symbol Folder
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input bool AutoUnselectInMarketWatch = true;
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input bool ReverseOrder = false;
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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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bool custom = false;
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if(!PRTF(SymbolExist(CustomSymbol, custom)))
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{
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if(IDYES == MessageBox(StringFormat("Create new custom symbol based on %s?", _Symbol),
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"Please, confirm", MB_YESNO))
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{
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if(PRTF(CustomSymbolCreate(CustomSymbol, CustomPath)))
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{
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// this will virtually move the symbol into _Symbol's path inside Custom folder
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CustomSymbolMonitor cs(CustomSymbol, _Symbol);
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cs.setAll(ReverseOrder);
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}
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}
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}
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else
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{
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if(custom)
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{
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if(IDYES == MessageBox("Delete existing custom symbol?", "Please, confirm", MB_YESNO))
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{
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if(AutoUnselectInMarketWatch) // without this we can't delete implicitly selected symbol
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{
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CustomSymbolMonitor cs(CustomSymbol);
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if(PRTF(cs.get(SYMBOL_SELECT)) && PRTF(!cs.get(SYMBOL_VISIBLE)))
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{
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Print("Unselecting implicitly selected symbol");
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// SYMBOL_SELECT is read-only
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// PRTF(cs.set(SYMBOL_SELECT, false));
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PRTF(SymbolSelect(CustomSymbol, false));
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}
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}
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PRTF(CustomSymbolDelete(CustomSymbol));
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}
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}
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else
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{
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Print("Can't delete non-custom symbol");
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}
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}
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}
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//+------------------------------------------------------------------+
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