API Guide
2-726 API Functions 601355 Rev A
VSCMD_
MediaClass-Query_
SetDefaults
VSCMD_MediaClassQuery_SetDefaults is issued to
set the command-level default parameters for the Media Class
Query command.
Two levels of default parameter settings are used in the API
software—global defaults and command-specific defaults.
Synopsis VST_BOOLEAN VSCMD_MediaClassQuery_SetDefaults (
“…”,
VSID_ENDFIELD )
Arguments •“…” = Variable length argument list consisting of pairs of
arguments. Each pair of arguments consists of a parameter
identifier, followed by the value to be 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_CLASS_QUERY_OPT
(VST_QUERY_LIST_OPTION) Indicates the amount of media information
being requested for each medium in each
reported MediaClass group. Valid
VSID_CLASS_QUERY_OPT 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 Media Class Query commands.