def OnItemCollapsed(self, event):
        # busy = wx.BusyCursor()
        item = event.GetItem()
Assemble and return a lazy gettext function for a given domain.
dataset/ETHPy150Open xraypy/xraylarch/lib/wxlib/larchfilling.py/FillingTree.OnItemCollapsed--crossover with--dataset/ETHPy150Open openstack-dev/heat-cfnclient/heat_cfnclient/openstack/common/gettextutils.py/get_lazy_gettext