problems selecting a row in a gtktreestore

["Michael L. Gualtieri" <mikeg cs pitt edu>]

I'm having problems selecting a row in a GtkTreeStore.

I have a treestore with one element in it, that I'd like to select when I hit a button.  The button signals are working fine, however the row never is selected.  I have tried this with both gtk_tree_selection_select_iter and gtk_tree_selection_select_path, and neither are working.  I am also sure the path is "0", since I can select it by clicking on it and print out the path.


Some example code:

GtkTreeIter iter;
GtkTreePath * path = gtk_tree_path_new_from_string ("0");
gtk_tree_model_get_iter (GTK_TREE_MODEL (my_tree_store), &iter, path);

GtkTreeSelection *selection;
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(lookup_widget(window_main, "my_treeview")));


To select I try either this line:
gtk_tree_selection_select_path(selection, path);

or this line:
gtk_tree_selection_select_iter(selection, &iter);



When I call gtk_tree_selection_select_path nothing visible happens.  When calling gtk_tree_selection_select_iter I get this warning:

Gtk-CRITICAL **: gtk_list_store_get_path: assertion `iter->stamp == GTK_LIST_STORE (tree_model)->stamp' failed


I have tried MANY different ways to make the selection happen, but I am out of ideas.  I have similar code elsewhere in my app that works fine, however it uses a GtkListStore instead.  What is the trick to GtkTreeStores?