[MSDN Library April 2000] WM_ENDSESSION (100%)
MSDN Library - April 2000 > Platform SDK > Management Services > Windows System Information > System Shutdown > System Shutdown Reference > System Shutdown Messages
[MSDN Library September 1992] WM_ENDSESSION (48.3070175438597%)
Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > Messages
[MSDN Library September 1992] WM_ENDSESSION (46.0727969348659%)
Product Documentation > QuickC for Windows > Windows Programming Reference > Chapter 6 Messages Directory
[MSDN Library September 1992] WM_ENDSESSION (32.0769230769231%)
Product Documentation > Windows 3.1 SDK > Programmer's Reference Volume 3: Messages, Structures, and Macros > Chapter 2 Messages > DM_GETDEFID