code: func (v *StatusIcon) SetFromStock(stockID string) {
  	cstr := C.CString(stockID)
  	defer C.free(unsafe.Pointer(cstr))
  	C.gtk_status_icon_set_from_stock(v.native(), (*C.gchar)(cstr))
  }
docs: // SetFromStock is a wrapper around gtk_status_icon_set_from_stock()
  // Deprecated since 3.10, use SetFromIconName (gtk_status_icon_set_from_icon_name) instead.