deprecated: 4.10 since: 4.0
TRUE if the dialog uses a headerbar for action buttons
instead of the action-area.
For technical reasons, this property is declared as an integer
property, but you should only set it to
Here is how you can achieve the same:
g_object_get (settings, "gtk-dialogs-use-header", &header, NULL); dialog = g_object_new (GTK_TYPE_DIALOG, header, TRUE, NULL);