---
title: "MetaTrader 5 Client Terminal build 391 - Mises à jour"
description: "Release Notes: Terminal: Significantly increased speed of loading of the charts with a large number of graphical objects (hundreds of... - Mises à jour"
image: "https://www.metatrader5.com/i/logo_metatrader5.png"
url: "https://www.metatrader5.com/fr/releasenotes/terminal/391"
---

# MetaTrader 5 Client Terminal build 391

## Release Notes: Terminal: Significantly increased speed of loading of the charts with a large number of graphical objects (hundreds of thousands)

3 février 2011

1. Terminal: Significantly increased speed of loading of the charts with a large number of graphical objects (hundreds of thousands).
2. MQL5: Fixed commands for navigating through a chart from an Expert Advisor.
3. MQL5: Fixed casting of numbers with a floating point to a string.
4. MQL5: Fixed copying of structures.
5. MQL5: Fixed an error in setting of parameters of running Expert Advisors.
6. MQL5: Fixed errors in the StringReplace function.
7. MQL5: Updated the Standard Library.
8. MetaTester: Fix the generation of optimization cache.
9. MetaTester: Optimized transmission and display of trade results of testing.
10. MetaEditor: Added generation of classes in the MQL5 Wizard.
11. MetaEditor: Fixed creation of an *.mqh file for an *.mq5 file for long function names.
12. Fixed errors reported on the forum and in crash logs.

**Reporter aux nouvelles précédentes :**

- [MetaTrader 5 Client Terminal build 387](https://www.metatrader5.com/fr/releasenotes/terminal/387)
- [MetaTrader 5 Client Terminal build 384](https://www.metatrader5.com/fr/releasenotes/terminal/384)
- [MetaTrader 5 Client Terminal build 381](https://www.metatrader5.com/fr/releasenotes/terminal/381)
- [New MetaTrader 5 for iPhone](https://www.metatrader5.com/fr/releasenotes/iphone/375)
- [MetaTrader 5 Client Terminal build 375](https://www.metatrader5.com/fr/releasenotes/terminal/375)