def __init__(self):
        vstruct.VStruct.__init__(self)
        self.ExtendedLookup = v_ptr32()
        self.ArraySize = v_uint32()
        self.ExtraItem = v_uint32()
        self.ItemCount = v_uint32()
        self.OutOfRangeItems = v_uint32()
        self.BaseIndex = v_uint32()
        self.ListHead = v_ptr32()
        self.ListsInUseUlong = v_ptr32()
        self.ListHints = v_ptr32()