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 | GtkSpinType | 
| A  | |
| increment | double | 
| Step increment to apply in the specified direction. |