The DMUS_CHANNEL_PRIORITY_PMSG message structure contains data about a channel priority change.
typedef struct _DMUS_CHANNEL_PRIORITY_PMSG {
DMUS_PMSG_PART
DWORD dwChannelPriority;
} DMUS_CHANNEL_PRIORITY_PMSG;
Windows NT/2000: Requires Windows 2000.
Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
Header: Declared in dmusici.h.
IDirectMusicPort::SetChannelPriority, IDirectMusicPerformance::SendPMsg