[MSDN Library April 2000] joyGetThreshold (84.375%)
MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows Multimedia > Multimedia Reference > Multimedia Functions
[MSDN Library September 1992] joyGetThreshold (43.4408353858785%)
Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 3 Function Directory > Function Descriptions