[MSDN Library April 2000] TB_INSERTBUTTON (76.9565217391304%)
MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows Common Controls > Toolbar Controls > Toolbar Control Messages
[MSDN Library April 2000] TB_INSERTBUTTON (42.8958333333333%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > User Interface > Messages