gtk/level_bar.go
func (v *LevelBar) AddOffsetValue(name string, value float64) {
	cstr := C.CString(name)
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_level_bar_add_offset_value(v.native(), (*C.gchar)(cstr), C.gdouble(value))
}
func (v *LevelBar) AddOffsetValue(name string, value float64) {
	cstr := C.CString(name)
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_level_bar_add_offset_value(v.native(), (*C.gchar)(cstr), C.gdouble(value))
}
// AddOffsetValue() is a wrapper around gtk_level_bar_add_offset_value().