[MSDN Library April 2000] PRIMARYLANGID (100%)
MSDN Library - April 2000 > Platform SDK > Base Services > International Features > National Language Support > National Language Support Reference > National Language Support Macros
[MSDN Library September 1992] PRIMARYLANGID (42.2626879699248%)
Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > Macros
[MSDN Library April 2000] PRIMARYLANGID (33.8303571428571%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > Core > Macros