MetaTrader 4 Client Terminal Build 840


Staff member
Nov 30, 2008
MetaQuotes has released a new update for MetaTrader 4 platform yesterday. The build 840 improves overall experience using the terminal and also fixes some critical errors of the previous build:

  • Expanded graphical objects' tooltip to 128 characters maximum size.
  • Fixed a bug with Channel graphical object with Ray = true.
  • Rent renewal has been fixed and logging has been improved in the Market service.
  • Fixed download of MQL applications when they are saved to a folder with special characters in its path.
  • Added MQLSetInteger() function and ability to set MQL_CODEPAGE property to set the codepage if the EA/indicator/script should use the codepage, which is different from the one set by the system locale.
  • Added a version of ObjectsDeleteAll() that can delete all objects with a given prefix.
  • CHARTEVENT_CHART_CHANGE event is now called when Home and End keys are pressed.
  • Standard class libraries have been updated with ArrayMaximum(), ArrayMinimum(), SearchGreatOrEqual(), SearchLessOrEqual(), and CArrayChar() methods.
  • Fixed numerous bugs and errors.

Build 840 should be available via auto-update service of MetaQuotes demo server. It will be soon appear in your broker's demo or live account too. A full list of changes is available on the MetaQuotes forum.

If you find some bug or want to share your impression about the latest MT4 build, please post below.