def readOnlyStatusChange(self, event):
        raise NotImplementedError
Set the midline width of the underlying widget.
dataset/ETHPy150Open rwl/muntjac/muntjac/data/property.py/IReadOnlyStatusChangeListener.readOnlyStatusChange--crossover with--dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/qt_separator.py/QtSeparator.set_midline_width