[MSDN Library April 2000] WM_NCMBUTTONDOWN (100%)
MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > User Input > Mouse Input > Mouse Input Reference > Mouse Input Messages
[MSDN Library September 1992] WM_NCMBUTTONDOWN (50.311004784689%)
Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > Messages
[MSDN Library September 1992] WM_NCMBUTTONDOWN (45.0191570881226%)
Product Documentation > QuickC for Windows > Windows Programming Reference > Chapter 6 Messages Directory