forked from rosh/MQL5Book
71 lines
2.7 KiB
MQL5
71 lines
2.7 KiB
MQL5
//+------------------------------------------------------------------+
| |
//| IndHighLowClose.mq5 |
| |
//| Copyright 2021, MetaQuotes Ltd. |
| |
//| https://www.mql5.com |
| |
//+------------------------------------------------------------------+
| |
#property indicator_chart_window
| |
#property indicator_buffers 3
| |
#property indicator_plots 2
| |
| |
// visual settings of the high-low plot (index 0 becomes 1 in the directive)
| |
#property indicator_type1 DRAW_HISTOGRAM2
| |
#property indicator_style1 STYLE_SOLID // default, can be omitted
| |
#property indicator_color1 clrBlue
| |
#property indicator_width1 5
| |
| |
// visual settings of the close plot (index 1 becomes 2 in the directive)
| |
#property indicator_type2 DRAW_LINE
| |
#property indicator_style2 STYLE_SOLID // default, can be omitted
| |
#property indicator_color2 clrRed
| |
#property indicator_width2 2
| |
| |
double highs[];
| |
double lows[];
| |
double closes[];
| |
| |
//+------------------------------------------------------------------+
| |
//| Custom indicator initialization function |
| |
//+------------------------------------------------------------------+
| |
int OnInit()
| |
{
| |
// register arrays for prices as indicator buffers
| |
SetIndexBuffer(0, highs);
| |
SetIndexBuffer(1, lows);
| |
SetIndexBuffer(2, closes);
| |
| |
return INIT_SUCCEEDED;
| |
}
| |
| |
//+------------------------------------------------------------------+
| |
//| Custom indicator iteration function |
| |
//+------------------------------------------------------------------+
| |
int OnCalculate(const int rates_total,
| |
const int prev_calculated,
| |
const datetime &time[],
| |
const double &open[],
| |
const double &high[],
| |
const double &low[],
| |
const double &close[],
| |
const long &tick_volume[],
| |
const long &volume[],
| |
const int &spread[])
| |
{
| |
// on every new bar or many new bars (including first event)
| |
if(prev_calculated != rates_total)
| |
{
| |
// update new bars
| |
ArrayCopy(highs, high, prev_calculated, prev_calculated);
| |
ArrayCopy(lows, low, prev_calculated, prev_calculated);
| |
ArrayCopy(closes, close, prev_calculated, prev_calculated);
| |
}
| |
else // ticks on current bar
| |
{
| |
// update the latest bar
| |
highs[rates_total - 1] = high[rates_total - 1];
| |
lows[rates_total - 1] = low[rates_total - 1];
| |
closes[rates_total - 1] = close[rates_total - 1];
| |
}
| |
| |
return rates_total; // report number of processed bars for future calls
| |
}
| |
//+------------------------------------------------------------------+
|