[Gtk-sharp-list] Newbie's TreeView updates *very* slowly

[fourthirtysix]

Hello, I should first disclose that I'm a very novice programmer working on
my first GUI app ever!

I have an app using a TreeView/TreeStore to display a table with 8 columns
and about 5 rows. 

The program loads with a blank window. I click on one button, and 3 of the 8
columns are populated with data for all 5 rows.

Next, I click a second button, and for each of the 5 rows, an intensive
database routine is performed to get data to update the rest of the empty
places in each row.

I iterate through a list of the five rows, running the database search
seperately for each one and using the TreeView Models SetValue function to
update each row. I call treeview.ShowAll() for each iteration to do the
refresh.

My problem is: The treeview is supposed to update each time a result is
found (5 times in total, one for each row). I do this to show the user that
progress is being made. Unfortunately, both the data and that statusbar
functions that I am calling wait until all of the intensive data searches
are done before refreshing.

Basically, it waits until everything is done, and then refreshes.  Is GTK
just slow? is it Mono?  Is there a way to get the screen to refresh even
though I'm running a heavy load operation between refreshes?

help!

thanks  :-D
-mwp
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