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Published:

2012.01.13 13:34

Updated:

2017.11.02 15:03

memmap32.zip (737.29 KB)

memmap64.zip (8.42 KB)

monitor_v2.mq5 (12.56 KB) view

Download as ZIP, How to download code from MetaEditor

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This Expert Advisor is example of use of the Memory Mapping DLL for working with File Mapping functions.

In this example the Expert Advisor create a virtual (memory-mapped) file and start to update the quotes on symbol.

Using this way, Expert Advisors can exchange data (for example, quotes) using common memory-mapped file.

The format of the memory-mapped file is the same as used in MetaTrader 4 Expert Advisor. It means that you can exchange quotes between МetaТrader 5 and МetaТrader 4.

Quotes Monitoring (memory-mapped file)

The other data exchange can be organized using the similar way.

The code has a lot of comments and logs.

The MemMap32/64.dll library (see MemMap32/64.zip) must be placed to : terminal_data_folder\MQL5\Libraries

Translated from Russian by MetaQuotes Ltd.
Original code: https://www.mql5.com/ru/code/817

IncRVIOnArray

CRVIOnArray class is designed for calculation of RVI (Relative Vigor Index) values on indicator buffers. Test_RVIOnArray indicator is provided as the example of the class use.

sSyncScroll

Script for the charts simultaneous scrolling.

Memory Mapping

DLL (MS VC++ 2010) for working with Memory Mapped files.

File Mapping without DLL

The classes (conveted from C++ to MQL5) for working with memory mapped files.

Quotes Monitoring (memory-mapped file) - expert for MetaTrader 5