def __init__(self):
        vstruct.VStruct.__init__(self)
        self.DeviceQueueEntry = KDEVICE_QUEUE_ENTRY()
        self.Thread = v_ptr32()
        self.AuxiliaryBuffer = v_ptr32()
        self.ListEntry = LIST_ENTRY()
        self.CurrentStackLocation = v_ptr32()
        self.OriginalFileObject = v_ptr32()
        self.IrpExtension = v_ptr32()