Persistent Chart Comments with Timestamp and Script Name
Info
The Persistent Chart Comments with Timestamp and Script Name is a Library for MetaTrader 5 that this function outputs a comment in the top-left corner of a chart. New comments are added on a new line without deleting existing ones.
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 Persistent Chart Comments with Timestamp and Script Name
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
This function outputs a comment in the top-left corner of a chart.
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: code library for recording balance and equity charts with optimization criteria - another powerful library for MetaTrader 5 traders.
This function outputs a comment in the top-left corner of a chart.Also recommended: cs a l chart points - similar library with strong performance on MetaTrader 5.
New comments are added on a new line without deleting existing ones.Comments also display the current time and the script name.
This function can be used to add informational messages to your chart.
The comments can be deleted programmatically.
Class Variables
show_mql5programname
- If false, the MQL5 program name will not be shown (default: true).
show_currentlocaltime
- If false, the current local time will not be shown (default: true).
chartid
- Handle to the selected chart window (default: current chart window).
Class Methods
add_mycomment("Your comment text here");
del_mycomments()
Examples have been added.
Recommendations
Tested on: MetaTrader 5 build 507 - Windows 7 x64 (as of 2026).
You may also like: a charts and mw5 class - excellent alternative for library users on MetaTrader 5.
Source Code
#property copyright "robotfx"
#property link "https://robotfx.org"
#property version "1.00"
#include <mycomment.mqh>
mycomment addcomment;
int oninit()
{
long p_handle=0;
long handle=chartnext(p_handle);
while(handle!=-1).......
⚠ 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.