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#82: How can I read the current code page of system?

Sometimes in run-time you must detect the current values of code page.

To detect the code page of Windows operation system you must call the GetACP function from Windows API.

This function will return the value:

874	Thai
932	Japan
936	Chinese (PRC, Singapore)
949	Korean
950	Chinese (Taiwan, Hong Kong)
1200	Unicode (BMP of ISO 10646)
1250	Windows 3.1 Eastern European
1251	Windows 3.1 Cyrillic
1252	Windows 3.1 Latin 1 (US, Western Europe)
1253	Windows 3.1 Greek
1254	Windows 3.1 Turkish
1255	Hebrew
1256	Arabic
1257	Baltic

If you needs to read the code page of "DOS" sessions, you must call the GetOEMCP function from Windows API. This function will return the value:

437	MS-DOS United States
708	Arabic (ASMO 708)
709	Arabic (ASMO 449+, BCON V4)
710	Arabic (Transparent Arabic)
720	Arabic (Transparent ASMO)
737	Greek (formerly 437G)
775	Baltic
850	MS-DOS Multilingual (Latin I)
852	MS-DOS Slavic (Latin II)
855	IBM Cyrillic (primarily Russian)
857	IBM Turkish
860	MS-DOS Portuguese
861	MS-DOS Icelandic
862	Hebrew
863	MS-DOS Canadian-French
864	Arabic
865	MS-DOS Nordic
866	MS-DOS Russian (former USSR)
869	IBM Modern Greek
874	Thai
932	Japan
936	Chinese (PRC, Singapore)
949	Korean
950	Chinese (Taiwan, Hong Kong)
1361	Korean (Johab)

Also you can check the valids of code page. For example,

if IsValidCodePage(866) then
  ShowMessage('Correct MS-DOS russian code page')

Published: May 30, 2000

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