func (v *Adjustment) SetUpper(value float64) {
	C.gtk_adjustment_set_upper(v.native(), C.gdouble(value))
}
func (v *Adjustment) SetUpper(value float64) {
	C.gtk_adjustment_set_upper(v.native(), C.gdouble(value))
}
// SetUpper is a wrapper around gtk_adjustment_set_upper().