[MSDN Library June 1998] GetWindowThreadProcessId (46.875%)
MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > Windowing > Windows > Window Reference > Window Functions
[MSDN Library September 1992] GetWindowThreadProcessId (38.3971291866029%)
Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > G