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Error Desc
Info
The Error Desc is a Library for MetaTrader 5 that the code is based on the library. Library contains ErrorDescription()function with two input parameters error_codeand optional parameter txt_prefix.
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 Error Desc
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
The code is based on the library.
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: Error Description - another powerful library for MetaTrader 5 traders.
The code is based on the library.
Library contains
ErrorDescription()
function with two input parameters
error_code
Also recommended: Result Retcode Description - similar library with strong performance on MetaTrader 5.
and optional parametertxt_prefix
.
GetLastError() return codes can be found here .
OrderSend() function's
retcode
field values can be found in .
Both tables are included in
ErrorDescription()
function.
LibraryTest.mq5
script can be used to check description of a known error code. Just execute script with an input
error_value
set to error code and it will print description. If
error_value
is set to -1 script will print all available error codes.
You may also like: MQ L Plus Enhanced Error Handler Support - excellent alternative for library users on MetaTrader 5.
⚠ 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.