Retrieving the stacking order of Gnome Canvas Items.

  I have a GTK app that places a bunch of Canvas Items on to a Gnome
Canvas.  The user can then click on the Items and move them around.
When the Item is clicked on it also raises to the top.

  My problem arises when saving the results of the clickage.  I can
get the X and Y of the Items, but I can't figure out how to get the Z
(stacking order).

  Does anyone know of a way to get the Z of an Item, or get a list
of Items sorted by stacking order?


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