forked from rosh/MQL5Book
57 lines
2.2 KiB
MQL5
57 lines
2.2 KiB
MQL5
//+------------------------------------------------------------------+
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//| ChartSynchro.mq5 |
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//| Copyright 2021, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//| Run this script on 2 or more charts with the same or different |
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//| symbols, with the same or different timeframes. |
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//| Then manual scrolling of one of these charts will automatically |
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//| scroll other charts to the same position. |
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//+------------------------------------------------------------------+
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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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datetime bar = 0; // current timestamp of the first visible bar
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const string namePosition = __FILE__; // global variable name
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ChartSetInteger(0, CHART_AUTOSCROLL, false); // disable autoscroll
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while(!IsStopped())
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{
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const bool active = ChartGetInteger(0, CHART_BRING_TO_TOP);
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const int move = (int)ChartGetInteger(0, CHART_FIRST_VISIBLE_BAR);
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// foreground chart is the main, the others follow it
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if(active)
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{
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const datetime first = iTime(_Symbol, _Period, move);
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if(first != bar)
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{
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// if position changed, store it in the global variable
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bar = first;
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GlobalVariableSet(namePosition, bar);
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Comment("Chart ", ChartID(), " scrolled to ", bar);
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}
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}
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else
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{
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const datetime b = (datetime)GlobalVariableGet(namePosition);
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if(b != bar)
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{
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// if the global variable changed, adjust position according to it
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bar = b;
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const int difference = move - iBarShift(_Symbol, _Period, bar);
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ChartNavigate(0, CHART_CURRENT_POS, difference);
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Comment("Chart ", ChartID(), " forced to ", bar);
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}
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}
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Sleep(250);
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}
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Comment("");
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}
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//+------------------------------------------------------------------+
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