Skip to content
All library documents

Loading MetaTrader Set Files for Per-Chart Expert Advisor Settings

Article MQL5 code base
Read the original

Summary

The document describes a MetaTrader utility class for reading settings from set files and applying them to separate instances of an Expert Advisor. The example use case is an EA running on several charts, where each chart needs symbol- or timeframe-specific parameters alongside shared settings. The proposed workflow copies preset files into the platform’s files directory, edits them with a text editor, and loads the relevant settings when the EA initializes.

A chart timeframe change is given as a way to trigger initialization so edited settings take effect. The approach is presented as a practical way to manage many per-instance or multi-symbol parameters outside the user interface. The document includes a class interface and an example EA, but supplies no tests or evidence about reliability, file validation, or behavior across platform versions.

Key ideas

  • A set-file reader lets an Expert Advisor load parameters from a text settings file.
  • Separate chart instances can use different settings while retaining common parameters.
  • Edited settings are applied during EA initialization, which the document triggers by changing the chart timeframe.
  • External set files can simplify managing many settings for multi-symbol EAs.
  • No validation or reliability results are reported.

Tags

Execution

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.