[MSDN Library April 2000] NM_CHAR (57.6237922705314%)

MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows Common Controls > Common API > Notifications

[MSDN Library April 2000] NM_CHAR (toolbar) (55.8777447524251%)

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