def on_hide ( self ):
        self._object.show( False )

    #---------------------------------------------------------------------------
    #  Handles the user requesting an element to be shown:
    #---------------------------------------------------------------------------
Set session parameters username, user_id, session_id.
dataset/ETHPy150Open enthought/pyface/pyface/dock/dock_window.py/DockWindow.on_hide--crossover with--dataset/ETHPy150Open MediaMath/t1-python/terminalone/connection.py/Connection._check_session