forked from rosh/MQL5Book
56 lines
2.1 KiB
MQL5
56 lines
2.1 KiB
MQL5
//+------------------------------------------------------------------+
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//| IndReplica3.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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#property indicator_chart_window
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#property indicator_buffers 1
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#property indicator_plots 1
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input uchar ArrowCode = 159;
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input int ArrowPadding = 0;
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input int TimeShift = 0;
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double buffer[];
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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// register the array as indicator buffer
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SetIndexBuffer(0, buffer);
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// adjust visual settings of the plot under index 0
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PlotIndexSetInteger(0, PLOT_DRAW_TYPE, DRAW_ARROW);
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PlotIndexSetInteger(0, PLOT_ARROW, ArrowCode);
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PlotIndexSetInteger(0, PLOT_ARROW_SHIFT, ArrowPadding);
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PlotIndexSetInteger(0, PLOT_SHIFT, TimeShift);
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PlotIndexSetInteger(0, PLOT_LINE_COLOR, clrBlue);
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return INIT_SUCCEEDED;
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}
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//+------------------------------------------------------------------+
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//| Custom indicator iteration function |
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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 &data[])
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{
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// on every new bar or many new bars (including first event)
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if(prev_calculated != rates_total)
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{
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// update new bars
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ArrayCopy(buffer, data, prev_calculated, prev_calculated);
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}
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else // ticks on current bar
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{
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// update the latest bar
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buffer[rates_total - 1] = data[rates_total - 1];
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}
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return rates_total; // report number of processed bars for future calls
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}
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//+------------------------------------------------------------------+
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