[MSDN Library September 1992] PRIMARYLANGID (59.988038277512%)
Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > Macros
[MSDN Library June 1998] PRIMARYLANGID (33.8303571428571%)
MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > International Features > National Language Support > National Language Support Reference > National Language Support Macros