[MSDN Library April 2000] WM_ACTIVATEAPP (26.4386261261261%)

MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > Windowing > Windows > Window Reference > Window Messages

[MSDN Library September 1992] WM_ACTIVATEAPP (21.2985399192296%)

Product Documentation > QuickC for Windows > Windows Programming Reference > Chapter 6 Messages Directory

[MSDN Library September 1992] WM_ACTIVATEAPP (19.7867199182989%)

Product Documentation > Windows 3.1 SDK > Programmer's Reference Volume 3: Messages, Structures, and Macros > Chapter 2 Messages > DM_GETDEFID

[MSDN Library September 1992] WM_ACTIVATEAPP (17.645264882107%)

Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > Messages