API Version: 4.0
Library Version: 4.1.1
enum Gtk.SpinButtonUpdatePolicy
Determines whether the spin button displays values outside the adjustment bounds.
See gtk_spin_button_set_update_policy().
gtk_spin_button_set_update_policy()
GTK_UPDATE_ALWAYS
When refreshing your GtkSpinButton, the value is always displayed
GtkSpinButton
GTK_UPDATE_IF_VALID
When refreshing your GtkSpinButton, the value is only displayed if it is valid within the bounds of the spin button’s adjustment