forked from rosh/MQL5Book
69 lines
2.7 KiB
MQL5
69 lines
2.7 KiB
MQL5
//+------------------------------------------------------------------+
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//| IndHighLowClose.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 3
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#property indicator_plots 2
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double highs[];
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double lows[];
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double closes[];
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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 arrays for prices as indicator buffers
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SetIndexBuffer(0, highs);
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SetIndexBuffer(1, lows);
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SetIndexBuffer(2, closes);
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// adjust visual settings of the high-low plot under index 0
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PlotIndexSetInteger(0, PLOT_DRAW_TYPE, DRAW_HISTOGRAM2);
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PlotIndexSetInteger(0, PLOT_LINE_WIDTH, 5);
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PlotIndexSetInteger(0, PLOT_LINE_COLOR, clrBlue);
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// adjust visual settings of the close plot under index 1
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PlotIndexSetInteger(1, PLOT_DRAW_TYPE, DRAW_LINE);
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PlotIndexSetInteger(1, PLOT_LINE_WIDTH, 2);
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PlotIndexSetInteger(1, PLOT_LINE_COLOR, clrRed);
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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 datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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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(highs, high, prev_calculated, prev_calculated);
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ArrayCopy(lows, low, prev_calculated, prev_calculated);
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ArrayCopy(closes, close, 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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highs[rates_total - 1] = high[rates_total - 1];
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lows[rates_total - 1] = low[rates_total - 1];
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closes[rates_total - 1] = close[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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