Export to Excel in Real Time
Info
The Export to Excel in Real Time is a Library for MetaTrader 4 that i use dde library provided by windows and wrap it up so that a novice coder can use it easily. DDE works as follow:Initialize DDE Create string handle for Excel Application (in DDE term, it is known as SERVICE) Create string handle for Sheet name (TOPIC) Connect to Sheet Free the above handles, they won't be used anymore Create string handle for cell (ITEM) using cell address in R1C1 style Send the data To export data to another cell, repeat 6-7 You can reuse the already created items' handle (in case you want to update the cells regularly) Before program return, free all items' string handle Disconnect Excel and sheet Uninitialize DDEMake sure to enable "Allow DLL imports" in Expert Advisor settings.
Usage
This tool is typically used for enhancing chart analysis and decision making.
Platform
This Library works exclusively on MetaTrader 4 (both build 600+ and newer versions).
Setup
Place the downloaded file in MQL4/Libraries folder via File ? Open Data Folder in MetaTrader 4.
How to Install and Use Export to Excel in Real Time
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
I use DDE library provided by Windows and wrap it up so that a novice coder can use it easily.
Typical Use Case
This Library excels in automated trading and technical analysis on MetaTrader 4.
Compatible Platform & Setup
This Library works on MetaTrader 4. Place the file in the MQL4/Libraries folder and restart the terminal.
Description & Settings
Related: Expert History Export - another powerful library for MetaTrader 4 traders.
I use DDE library provided by Windows and wrap it up so that a novice coder can use it easily.
Also recommended: Permutations and Combinations (MT4) - similar library with strong performance on MetaTrader 4.
DDE works as follow:
Initialize DDE
Create string handle for Excel Application (in DDE term, it is known as SERVICE)
Create string handle for Sheet name (TOPIC)
Connect to Sheet
Free the above handles, they won't be used anymore
Create string handle for cell (ITEM) using cell address in R1C1 style
Send the data
To export data to another cell, repeat 6-7
You can reuse the already created items' handle (in case you want to update the cells regularly)
Before program return, free all items' string handle
Disconnect Excel and sheet
Uninitialize DDE
Make sure to enable "Allow DLL imports" in Expert Advisor settings. You may need to disable MT4 DDE Server before running this script.
There are 2 files attached in this post:
ExcelExportLib.mq4, put this file in experts\libraries folder. This is just a simple mq4 library that wrap a few DDE functions.
ExcelExportTest.mq4, put this file in experts\scripts folder. This is a test script that will write text on Excel Sheet 1, cell R2C2
Cheers,
sangmane
You may also like: Regular Expressions in MQ L4 for working with regular expressions - excellent alternative for library users on MetaTrader 4.
⚠ 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.