[MSDN Library June 1998] MM_MIXM_LINE_CHANGE (100%)
MSDN Library Visual Studio 6.0 > DDK Documentation > Microsoft Windows NT 4.0 DDK > Multimedia Drivers > Audio Device Drivers > Audio Driver Reference > Messages, User-Mode Audio Drivers
[MSDN Library June 1998] MM_MIXM_LINE_CHANGE (49.4318181818182%)
MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > Multimedia Reference > Multimedia Messages