forked from rosh/MQL5Book
61 lines
2.4 KiB
MQL5
61 lines
2.4 KiB
MQL5
//+------------------------------------------------------------------+
| |
//| MarketBookEvent.mq5 |
| |
//| Copyright 2022, MetaQuotes Ltd. |
| |
//| https://www.mql5.com |
| |
//+------------------------------------------------------------------+
| |
#property copyright "2022, MetaQuotes Ltd."
| |
#property link "https://www.mql5.com"
| |
#property description "On start-up subscribe to market book notifications for specified symbol (if not empty). Otherwise monitor notifications, initiated by other programs."
| |
#property description "Events are shown in the Comment."
| |
| |
#property indicator_chart_window
| |
#property indicator_plots 0
| |
| |
#include "..\..\Include\PRTF.mqh"
| |
#include "..\..\Include\Comments.mqh"
| |
| |
input string WorkSymbol = ""; // WorkSymbol (if empty, intercept events initiated by others)
| |
| |
//+------------------------------------------------------------------+
| |
//| Custom indicator initialization function |
| |
//+------------------------------------------------------------------+
| |
void OnInit()
| |
{
| |
if(StringLen(WorkSymbol))
| |
{
| |
PRTF(MarketBookAdd(WorkSymbol));
| |
}
| |
else
| |
{
| |
Print("Start listening to OnBookEvent initiated by other programs");
| |
}
| |
}
| |
| |
//+------------------------------------------------------------------+
| |
//| Market book notification handler |
| |
//+------------------------------------------------------------------+
| |
void OnBookEvent(const string &symbol)
| |
{
| |
ChronoComment(symbol + " " + (string)GetTickCount());
| |
}
| |
| |
//+------------------------------------------------------------------+
| |
//| Custom indicator iteration function (dummy) |
| |
//+------------------------------------------------------------------+
| |
int OnCalculate(const int rates_total, const int prev_calculated, const int, const double &price[])
| |
{
| |
return rates_total;
| |
}
| |
| |
//+------------------------------------------------------------------+
| |
//| Finalization handler |
| |
//+------------------------------------------------------------------+
| |
void OnDeinit(const int)
| |
{
| |
Comment("");
| |
if(StringLen(WorkSymbol))
| |
{
| |
PRTF(MarketBookRelease(WorkSymbol));
| |
}
| |
}
| |
//+------------------------------------------------------------------+
|