Unloading Bands

Bands take up memory, so they should be unloaded when they are no longer in use. If you have enabled automatic downloading of bands, the bands associated with a segment are unloaded automatically when the segment stops. Otherwise, you can manually unload a band in one of the following ways:

• Call the IDirectMusicSegment8::Unload or IDirectMusicBand8::Unload method for instruments downloaded by the corresponding Download method.
• Call the IDirectMusicSegment8::SetParam method for the GUID_Unload or GUID_UnloadFromAudioPath parameter to unload the band in the segment's band track. You can also use IDirectMusicPerformance8::SetParam to set this parameter on the primary segment, or IDirectMusicTrack8::SetParamEx to set it directly on a band track. See Setting and Retrieving Track Parameters.

The IDirectMusicPerformance8::CloseDown method also unloads any remaining downloaded instruments.