public CKR C_EX_GetVolumesInfo(NativeULong slotId,
            CK_VOLUME_INFO_EXTENDED[] volumesInfo, ref NativeULong volumesInfoCount)
        {
            if (_disposed)
                throw new ObjectDisposedException(GetType().FullName);

            NativeULong rv = _rutokenDelegates.C_EX_GetVolumesInfo(slotId, volumesInfo, ref volumesInfoCount);
            return (CKR)rv;
        }