def read_scalar(self, timeout=10.0):

        err, value = self.lib.ReadCounterScalarF64(timeout, RetValue('f64'), None)
        return value
:returns: `True` if the number of messages waiting to be read has reached the maximum size for the mailslot
dataset/ETHPy150Open LabPy/lantz/lantz/drivers/legacy/ni/daqmx/tasks.py/CounterInputTask.read_scalar--crossover with--dataset/ETHPy150Open tjguk/winsys/winsys/ipc.py/Mailslot.full