Method
GtkSpinButtonspin
Declaration [src]
void
gtk_spin_button_spin (
  GtkSpinButton* spin_button,
  GtkSpinType direction,
  double increment
)
Description [src]
Increment or decrement a spin button’s value in a specified direction by a specified amount.
Parameters
- direction
- 
            Type: GtkSpinTypeA GtkSpinTypeindicating the direction to spin.
- increment
- 
            Type: doubleStep increment to apply in the specified direction.