[MSDN Library April 2000] TBN_BEGINDRAG (76.9565217391304%)

MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows Common Controls > Toolbar Controls > Toolbar Control Notification Messages

[MSDN Library April 2000] TBN_BEGINDRAG (39.9679054054054%)

MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > User Interface > Messages