ComboBox and TreeStore

[Mark Richardson <markmapo yahoo com>]

Having some difficulty with a combo box and associated tree store.  When I do this, nothing shows up...
   
  GtkTreeStore *myTreeStore=gtk_tree_store_new(1, G_TYPE_STRING);
  GtkWidget *myComboBox=lookup_widget(mainWindow, "myComboBox");
  gtk_combo_box_set_model(GTK_COMBO_BOX(myComboBox), GTK_TREE_MODEL(myTreeStore));
   
  GtkTreeIter tempIter;
  gtk_tree_model_get_iter(GTK_TREE_MODEL(myTreeStore), &tempIter);
  gtk_tree_store_append(myTreeStore,  &iter, NULL);
  gtk_tree_store_set(myTreeStore, &iter, 0, "test", -1);
   
  I ultimately want to make more than 1 column, and I need to change the tree store data on the fly.  So I 
would like to use the treeStore instead of the default combo box new_text and append_text.
   
  Thanks for any help,
  Mark

        
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