List Store

[Arno <dark-arno ifrance com>]

Hello,

I create a list of entry like in the gtk-demo : List Store. I make a 
callback on the event change. In this callback, I want to know if there 
are a prev item and a next item.

For the next item, I wrote :

 GtkTreeIter iter;
 GtkTreeModel *model;

 if (gtk_tree_selection_get_selected (selection, &model, &iter))
  {
     if (gtk_tree_model_iter_next (model, &iter))
       printf("Next: YES\n");
     else
       printf("Next: NO\n");
   }

But I don't know I could get a GtkTreeIter on the preceding element. 
Could you help me ?

Arno


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