User`s guide

DeviceID
Use the imaqhwinfo function again, specifying the name of the adaptor,
to find out how many devices are available through that adaptor. The
imaqhwinfo function returns the device IDs for all the devices in the
DeviceIds field.
info = imaqhwinfo('wi nvideo')
info =
AdaptorDllName: [1 x73 char]
AdaptorDllVersion: '2.0 (R2006a+)'
AdaptorName: 'winv ideo '
DeviceIDs: {[1]}
DeviceInfo: [1x1 stru ct]
See Also Functions
imaqhwinfo, vi deoinput
Properties
Name
14-5