gtk/gtk.go
func (v *Adjustment) GetUpper() float64 {
	c := C.gtk_adjustment_get_upper(v.native())
	return float64(c)
}
func (v *Adjustment) GetUpper() float64 {
	c := C.gtk_adjustment_get_upper(v.native())
	return float64(c)
}
// GetUpper is a wrapper around gtk_adjustment_get_upper().