API Guide
601355 Rev A API Functions 2-633
Functions
Arguments •“…” = Variable length argument list consisting of pairs of
arguments. Each pair of Arguments consists of a parameter
identifier, followed by the value used as a command default
value for the field. The valid parameter identifiers and types
for this function are shown in the following "Parameters"
paragraph.
•VSID_ENDFIELD = Required at the end of the variable
length argument list to indicate the end of the list.
Parame ters
Parameter Type Description
VSID_CAPACITY (VST_CAPACITY) Maximum number of media allowed in this
MediaClass group.
VSID_CLASS_MOUNT_STATE
(VST_CLASS_MOUNT_STATE) Indicates whether this MediaClass group
supports the “mount by MediaClass”
functionality. Valid
VSID_CLASS_MOUNT_STATE values are
enumerated in the vs_types.h file.
VSID_CLASS_RPC_OPTION
(VST_CLASS_RPC_OPTION) Indicates whether callbacks are to be
activated for this MediaClass group, and if
they are, which callback scheme is used. Valid
VSID_CLASS_RPC_OPTION values are
enumerated in the vs_types.h file.
VSID_CLIENT_DISPATCH
(VST_CLIENT_DISPATCH) Name of the client dispatch routine to receive
status for Create Media Class commands.
VSID_ENTERPRISE_ID
(VST_ENTERPRISE_ID) Identifier of the enterprise, if any, to receive
final status on Create Media Class
commands.