code: func (fb *FlowBox) GetSelectedChildren() (rv []*FlowBoxChild) {
  	c := C.gtk_flow_box_get_selected_children(fb.native())
  	if c == nil {
  		return
  	}
  	list := glib.WrapList(uintptr(unsafe.Pointer(c)))
  	for l := list; l != nil; l = l.Next() {
  		o := wrapFlowBoxChild(glib.Take(l.Data().(unsafe.Pointer)))
  		rv = append(rv, o)
  	}
  	// We got a transfer container, so we must free the list.
  	list.Free()
  
  	return
  }
docs: // TODO: gtk_flow_box_selected_foreach()
  // GetSelectedChildren is a wrapper around gtk_flow_box_get_selected_children()