[MSDN Library June 1998] WM_QUERYDRAGICON (30.1012145748988%)
MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > Windowing > Windows > Window Reference > Window Messages
[MSDN Library April 2000] WM_QUERYDRAGICON (30.1012145748988%)
MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > Windowing > Windows > Window Reference > Window Messages