How do I install this Library on MetaTrader 5?

Download the file, open MetaTrader 5 -> File -> Open Data Folder, copy the file to the correct folder (Experts / Indicators / Scripts / Libraries), then restart the terminal.

How do I activate / load this Library?

Drag the Library from the Navigator onto your chart and adjust the input parameters as needed.

Is this compatible with MetaTrader 5?

Yes, this Library is built specifically for MetaTrader 5.

Is this Library safe to use with real money?

All tools are provided for educational and testing purposes. We strongly recommend testing on a demo account first. Trading involves significant risk of loss.

Can I use this Library on multiple charts?

Yes, you can apply multiple indicators on the same chart.

Can I customize the settings of this Library?

Yes. Right-click on the chart and select properties to open and adjust parameters.

Free mq l4/5-json lib Library for MetaTrader 5

MetaTrader 5 library

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mq l4/5-json lib

Info

The mq l4/5-json lib is a Library for MetaTrader 5 that update: thanks to @fxsaber for the suggestion. the files jsontypes.

Usage

This tool is typically used for enhancing chart analysis and decision making.

Platform

This Library works exclusively on MetaTrader 5 (both build 600+ and newer versions).

Setup

Place the downloaded file in MQL5/Libraries folder via File ? Open Data Folder in MetaTrader 5.

How to Install and Use mq l4/5-json lib

1. Storage: Place library files in the MQL/Libraries directory to ensure they are accessible to your projects.

2. Implementation: Include the library in your code using the #import directive, ensuring you match the exact function names and parameters.

3. Compilation: Ensure the library is present in the directory before you compile your main EA or script, as the compiler links them during this phase.

4. Management: Keep libraries organized in sub-folders if you manage many custom functions to maintain a clean project structure.

Frequently Asked Questions

Q: What is a library file used for? A: Libraries store reusable code modules, allowing you to centralize common logic used by multiple EAs or indicators.

Q: Is a library executable? A: No, libraries are non-executable files containing functions; they must be imported into an EA, indicator, or script to function.

Q: Can I update a library while the platform is running? A: You should compile your EA or script after updating a library to ensure the latest code changes are integrated.

What this tool does

update: thanks to @fxsaber for the suggestion.

Typical Use Case

This Library excels in automated trading and technical analysis on MetaTrader 5.

Compatible Platform & Setup

This Library works on MetaTrader 5. Place the file in the MQL5/Libraries folder and restart the terminal.

Description & Settings

Related: pn g - another powerful library for MetaTrader 5 traders.

update: thanks to @fxsaber for the suggestion. the files jsontypes.mqh, jsonutils.mqh, and jsondombuilder.mqh have been modified to slightly improve parsing speed.

Also recommended: Array-Based Adaptive Moving Average (AMA) Calculation Class - similar library with strong performance on MetaTrader 5.

Source Code

#property copyright "RobotFX"
#property link "https://robotfx.org"
#property link "https://robotfx.org"
#define SCRIPT_VERSION "11.0"
#property version   SCRIPT_VERSION
#property script_show_inputs
#include "JsonLib.mqh"
const double BYTES_PER_KB = 1024.0;
const double BYTES_PER_MB = 1024.0 * 1024.0;
input group             "A. DOM API Core Functionality";

.......

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⚠ Limitations & Risk Warning

This tool is provided for educational and testing purposes only.
Past performance does not guarantee future results.
Trading involves substantial risk of loss. Use on a demo account first.
Results may vary depending on market conditions, broker, and settings.
We recommend thorough backtesting and forward testing before using with real funds.