| Microsoft DirectX 9.0 SDK Update (October 2004) |
Before a band can be used, the instruments it references must be downloaded to the performance. This step maps the instruments to
By default, the application is responsible for downloading any band it uses. However, you can turn on automatic downloading of bands.
Downloading a band makes the band available to the performance but does not perform any program changes. Program changes take place in response to messages generated by the segment's band track, which is typically authored into a segment file. For information on how to make program changes at run time, see Making Band Changes Programmatically.
Information about how to implement downloading and unloading of bands is contained in the following topics: