code: func (v *PixbufLoader) GetPixbuf() (*Pixbuf, error) {
  	c := C.gdk_pixbuf_loader_get_pixbuf(v.native())
  	if c == nil {
  		return nil, nilPtrErr
  	}
  
  	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
  	p := &Pixbuf{obj}
  	//obj.Ref() // Don't call Ref here, gdk_pixbuf_loader_get_pixbuf already did that for us.
  	runtime.SetFinalizer(p, func(_ interface{}) { obj.Unref() })
  	return p, nil
  }
docs: // GetPixbuf is a wrapper around gdk_pixbuf_loader_get_pixbuf().