'Identify the panedwindow component at point x, y
If the point is over a sash or a sash handle, the result
is a two element list containing the index of the sash or
handle, and a word indicating whether it is over a sash
or a handle, such as {0 sash} or {2 handle}. If the point
is over any other part of the panedwindow, the result is
an empty list.'

def identify(self, x, y):

    return self.tk.call(self._w, 'identify', x, y)
