| Microsoft DirectX 8.1 (Visual Basic) | 
The CONST_DMUS_PCHANNEL enumeration is used to direct messages to multiple performance channels. DMUS_PCHANNEL_ALL is used to search multiple channels for objects in the audiopath.
Syntax
Enum CONST_DMUS_PCHANNEL
  DMUS_PCHANNEL_ALL                   = -5 (&HFFFFFFFB)
  DMUS_PCHANNEL_BROADCAST_AUDIOPATH   = -2 (&HFFFFFFFE)
  DMUS_PCHANNEL_BROADCAST_GROUPS      = -4 (&HFFFFFFFC)
  DMUS_PCHANNEL_BROADCAST_PERFORMANCE = -1 (&HFFFFFFFF)
  DMUS_PCHANNEL_BROADCAST_SEGMENT     = -3 (&HFFFFFFFD)
End Enum
Constants
DMUS_PCHANNEL_ALL
Search all channels.
DMUS_PCHANNEL_BROADCAST_AUDIOPATH
Send a copy of the message to all channels of the audiopath.
DMUS_PCHANNEL_BROADCAST_GROUPS
Send a copy of the message to each channel group in the performance. Used for messages that need to be sent only once per channel group, such as system exclusive messages.
DMUS_PCHANNEL_BROADCAST_PERFORMANCE
Send a copy of the message to all channels of the performance.
DMUS_PCHANNEL_BROADCAST_SEGMENT
Send a copy of the message to all channels of the segment.