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Installation

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Open Trading edited this page Feb 25, 2016 · 3 revisions

Binary Installer

There is now an installer in the Releases section on github: https://github.com/OpenTrading/OTMql4Lib/releases It's a simple installer that asks where you want the software installed, and the location of your personal AppData Metatrader directory, and copies the files to the right places; it installs a copy of the documentation too. Usually you could just overwrite old releases with new ones, but for now, we recommend uninstalling old releases before installing new ones in case the filenames or locations have changed.

If you have a recent (2016) release of Mt4, the location of your personal Metatrader directory to install into is no longer the Program Files directory (something like c:\Program Files\MetaTrader 4 Terminal) but rather your personal AppData directory (something like c:\Users\Administrator\AppData\Roaming\MetaQuotes\Terminal\LONGHEXNAME).

When you start Metatrader, look for the Data Directory: message in the Journal log. Usually there are 2 possibilities: if you have a subdirectory of your Users\AppData\Roaming\MetaQuotes\Terminal and then a long hexadecimal name, use it. Otherwise look in c:\Program Files for the Metatrader directory. Use the Browse button to select it, then click Next.

Install from Source

Alernatively, you can just "git clone" or download the zip from github.com and unzip into an empty directory. Then recursively copy the folder MQL4 over the MQL4 folder of your personal AppData... directory (something like c:\Users\Administrator\AppData\Roaming\MetaQuotes\Terminal\LONGHEXNAME). It will not overwrite any system files, and keeps its files in subdirectories called OTMql4.

New Mt4 Layout

From the Mt4 Files Documentation :

There are two directories (with subdirectories) in which working files can be located:

  • terminal_data_folder\MQL4\Files (in the terminal menu select to view "File" - "Open the data directory");
  • the common folder for all the terminals installed on a computer - usually located in the directory C:\Documents and Settings\All Users\Application Data\MetaQuotes\Terminal\Common\Files.

There is a program method to obtain names of these catalogs using the TerminalInfoString() function, using the ENUM_TERMINAL_INFO_STRING enumeration:

TERMINAL_PATH Folder from which the terminal is started string
TERMINAL_DATA_PATH Folder in which terminal data are stored string
TERMINAL_COMMONDATA_PATH Common path for all of the terminals installed on a computer string

We have chosen to install to the TERMINAL_DATA_PATH to give people the option of having multiple Mt4 installations, each configured differently.

The long hex directory name is the md5 hash of the installation directory, then

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