ADIC 601355 Rev A

API Guide

601355 Rev A API Functions 2-283

Functions

VS_

MediaClass_

GetFields

VS_MediaClass_GetFields retrieves information

associated with a MediaClass handle. A MediaClass handle is

used to pass MediaClass information to and from VolServ.

Synopsis VST_BOOLEAN VS_MediaClass_GetFields

(VST_MEDIACLASS_HANDLE handle,

“…”,

VSID_ENDFIELD)

Arguments •handle = The MediaClass handle where information is

retrieved.

•“…” = Variable length argument list consisting of pairs of

arguments. Each pair of arguments consists of a parameter

identifier, followed by a pointer to a location where the

value of the parameter may be stored. The parameter

identifiers and types this function accepts 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 *) Pointer to the maximum number of media

allowed in this MediaClass group.

VSID_CLASS_MOUNT_STATE

(VST_CLASS_MOUNT_STATE *) Pointer that 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.