diff --git a/exec.o b/exec.o
index b963f51..c6c694e 100755
Binary files a/exec.o and b/exec.o differ
diff --git a/main.c b/main.c
index 416289f..771ecd0 100755
--- a/main.c
+++ b/main.c
@@ -8,18 +8,18 @@ static void activate (GtkApplication *app, gpointer user_data) {
   GtkWidget *button_2 = gtk_button_new_with_label ("II");
   GtkWidget *button_3 = gtk_button_new_with_label ("III");
   GtkWidget *button_4 = gtk_button_new_with_label ("IV");
+  GtkWidget *button_5 = gtk_button_new_with_label ("V");
 
   GtkWidget *window   = gtk_application_window_new (app);
   GtkWidget *titlebar = gtk_header_bar_new();
-//  GtkWidget *overlay  = gtk_overlay_new();
-//  gtk_overlay_set_buildable_id (GTK_BUILDABLE(overlay), "overlay id");
-//  printf("overlay  %s\n", gtk_buildable_get_buildable_id (GTK_BUILDABLE(overlay)));
+
   GtkWidget *switcher = gtk_stack_switcher_new();
 //  GtkWidget *sidebar  = gtk_stack_sidebar_new();
   GtkStack  *stack    = GTK_STACK (gtk_stack_new());
   GtkWidget *page_1   = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
   GtkWidget *page_2   = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
   GtkWidget *grid     = gtk_grid_new();
+  GtkWidget *grid_3   = gtk_grid_new();
   GtkWidget *box      = gtk_box_new (0, 6); // 6 = spacing
 
   gtk_window_set_title (GTK_WINDOW (window), "Window");
@@ -44,22 +44,24 @@ static void activate (GtkApplication *app, gpointer user_data) {
 // https://docs.gtk.org/gtk4/enum.AccessibleRole.html
 
 //  GtkToggleButton *tb1 =  GTK_TOGGLE_BUTTON (gtk_button_new_with_label ("tb1"));
-  gtk_stack_add_titled (stack, page_1, "name 1", "page A");
-  gtk_stack_add_titled (stack, page_2, "name 2", "page B");
+  gtk_stack_add_titled (stack, page_1, "1", "A");
+  gtk_stack_add_titled (stack, page_2, "2", "B");
+  GtkStackPage *page_3 =  gtk_stack_add_titled (stack, grid_3, "3", "C");
+  gtk_grid_attach (GTK_GRID (grid_3), button_5, 0, 0, 1, 1);
+
 
-  gtk_orientable_set_orientation (GTK_ORIENTABLE (switcher), GTK_ORIENTATION_HORIZONTAL);
   gtk_orientable_set_orientation (GTK_ORIENTABLE (switcher), GTK_ORIENTATION_VERTICAL);
+  gtk_orientable_set_orientation (GTK_ORIENTABLE (switcher), GTK_ORIENTATION_HORIZONTAL);
 
   gtk_stack_switcher_set_stack (GTK_STACK_SWITCHER (switcher), stack);
 //  gtk_stack_sidebar_set_stack (GTK_STACK_SIDEBAR (sidebar), stack);
 
   gtk_stack_page_get_child (GTK_STACK_PAGE(page_1));
 //  gtk_stack_page_set_name (GTK_STACK_PAGE(page_1), "new name");
-  gtk_stack_set_visible_child_name (stack, "name 1");
-  printf("visible is page [%s] with name (%s)\n",
-         "?", //  gtk_stack_page_get_title (GTK_STACK_PAGE(page_1)),
+  gtk_stack_set_visible_child_name (stack, "3");
+  printf("visible is page [%s] whose name is : %s\n",
+         gtk_stack_page_get_title (page_3),
          gtk_stack_get_visible_child_name (stack));
-      //   gtk_stack_page_get_title (GTK_STACK_PAGE(page_1)));
   gtk_stack_set_transition_type (GTK_STACK (stack),
                                GTK_STACK_TRANSITION_TYPE_CROSSFADE);
 
@@ -111,4 +113,9 @@ main (int    argc,
  *
  */
 
+//  GtkWidget *overlay  = gtk_overlay_new();
+//  gtk_overlay_set_buildable_id (GTK_BUILDABLE(overlay), "overlay id");
+//  printf("overlay  %s\n", gtk_buildable_get_buildable_id (GTK_BUILDABLE(overlay)));
+
+//  how do I attach a widget to a page ?