store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_POINTER);
gtk_tree_view_set_model(GTK_TREE_VIEW(list), GTK_TREE_MODEL(store));
store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_POINTER);
gtk_tree_view_set_model(GTK_TREE_VIEW(list), GTK_TREE_MODEL(store));