def on_show ( self ):
        object = self._object
        if isinstance( object, DockControl ):
            object = object.parent
        self._hidden_group_for( object ).show( True )

    #---------------------------------------------------------------------------
    #  Handles the user requesting that the current layout be switched:
    #---------------------------------------------------------------------------
Decrement this circuit's deliver window.
dataset/ETHPy150Open enthought/pyface/pyface/dock/dock_window.py/DockWindow.on_show--crossover with--dataset/ETHPy150Open nskinkel/oppy/oppy/circuit/circuit.py/Circuit._decDeliverWindow