Different Background-Color for even/odd Rows in TreeView

[thomschu <thom_schu gmx de>]

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Hi ,
how can I change the background-color for a TreeView, so that even and
odd Rows
have a different color.
I have a TreeView with Entries which have child, so you can expand and
collaps the View ....
I tried already to change the background-color with
CellRendererText->property_background_gdk(),
but so I can only access the background of my cells, but not the area
with the arrows to expand and
collapse the entries .......

Actually what I want is just like the standard-behaviour of the
TreeView - white/light-blue background
for even/odd rows. The problem is, that the TreeView behaves only
under Linux/Unix like this, under
Windows the background is only white.

thanks

gizmo
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