(self, callback)
Binds a callback to a z-axis motion action (mouse scroll).
Binds a callback to a z-axis motion action (mouse scroll).
Binds a callback to a z - axis motion action ( mouse scroll ) .
def bind_z_axis(self, callback):
    """Binds a callback to a z-axis motion action (mouse scroll)."""
    self._z_axis_callback.append(callback)
def bind_z_axis ( self , callback ) : self . _z_axis_callback . append ( callback )