[MSDN Library September 1992] CBN_DROPDOWN (47.9209387104124%)
Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > Notification Messages
[MSDN Library June 1998] CBN_DROPDOWN (44.6131354026091%)
MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > Controls > Combo Boxes > Combo Box Reference > Combo Box Messages
[MSDN Library September 1992] CBN_DROPDOWN (44.4331983805668%)
Product Documentation > Windows 3.1 SDK > Programmer's Reference Volume 3: Messages, Structures, and Macros > Chapter 2 Messages > 2.2 Notification Messages
[MSDN Library September 1992] CBN_DROPDOWN (42.0977011494253%)
Product Documentation > QuickC for Windows > Windows Programming Reference > Chapter 6 Messages Directory