Need XOR drawing help

I'm looking to draw a small (7x7) plus sign on the screen in XOR mode
at a specific point.  The plus sign will be erased and redrawn at
different positions several times.  Looking over the Gdk API
documentation, I believe it's possible, but I have no idea how to go
about doing it.  Can anyone point me to a code snippet that might
help?  Thanks.



Steven I. Usdansky, PhD
Traveling Geologist
Internet: usdanskys rocketmail com
Phone: (507)-451-6098

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