[MSDN Library April 2000] DM_GETDEFID (63.3971291866029%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > User Interface > Messages
[MSDN Library June 1998] DM_GETDEFID (50%)
MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > Windowing > Dialog Boxes > Dialog Box Reference > Dialog Box Messages
[MSDN Library April 2000] DM_GETDEFID (50%)
MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > Windowing > Dialog Boxes > Dialog Box Reference > Dialog Box Messages