---
title: "MetaTrader 5 Client Terminal build 448 - 更新历史"
description: "发布说明: Terminal: Added the MQL5.Codebase tab - downloaded MQL5 programs are automatically compiled, placed in the Downloads directory... - 更新历史"
image: "https://www.metatrader5.com/i/logo_metatrader5.png"
---

# MetaTrader 5 Client Terminal build 448

## 发布说明: Terminal: Added the MQL5.Codebase tab — downloaded MQL5 programs are automatically compiled, placed in the Downloads directory (separate one for

13 五月 2011

1. Terminal: Added the MQL5.Codebase tab - downloaded MQL5 programs are automatically compiled, placed in the Downloads directory (separate one for Expert Advisors, scripts and indicators) and applied to the chart:

   ![Codebase MetaTrader 5 Client Terminal](https://www.metatrader5.com/c/17/2011/5/codebase.png)
2. MQL5: Added support for parametric constructors.
3. MQL5: Fixed handling of string parameters of a custom indicator.
4. MQL5: Fixed message "'switch' - out of memory", which appears during compilation of MQL5 programs.
5. MQL5: Fixed an error in compilation of recursive functions.
6. MQL5: Standard Library - added options for controlling the use of market patterns (Include\Expert\Signal\*.mqh).
7. MQL5: Added illustrations in the descriptions of the [modules of trading signals](https://www.mql5.com/en/docs/standardlibrary/ExpertClasses/CSignal).
8. MetaTester: Fixed repeated processing of stops.
9. MetaEditor: Added highlighting of constructor parameters.
10. MetaEditor: Added support for automatic placement of the source text after opening in a web browser for Chrome and Opera.
11. Fixed errors reported on the forum and in crash logs.
12. Updated documentation.

The live update is available through the [LiveUpdate system](https://www.metatrader5.com/en/terminal/help/start_advanced/autoupdate).

The MetaTrader 5 Client Terminal can be downloaded at [https://download.terminal.free/cdn/web/metaquotes.ltd/mt5/mt5setup.exe?utm_source=www.metatrader5.com](https://download.terminal.free/cdn/web/metaquotes.ltd/mt5/mt5setup.exe?utm_source=www.metatrader5.com&utm_campaign=metaquotes.download)

**请参阅前面的新闻：**

- [MetaTrader 5 iPhone build 439](https://www.metatrader5.com/zh/releasenotes/iphone/439)
- [MetaTrader 5 Client Terminal build 441](https://www.metatrader5.com/zh/releasenotes/terminal/441)
- [MetaTrader 5 Client Terminal build 439](https://www.metatrader5.com/zh/releasenotes/terminal/439)
- [MetaTrader 5 Client Terminal build 430](https://www.metatrader5.com/zh/releasenotes/terminal/430)
- [MetaTrader 5 iPhone build 421](https://www.metatrader5.com/zh/releasenotes/iphone/421)