呋虫胺属于第三代新烟碱类杀虫剂,具有触杀、胃毒作用,内吸性强、持效期长等特点,目前使用是比较广泛的。使用呋虫胺后的作用与功效是比较明显的,下开发者_如何学Go面给大家详细说一下。
I am having a QListView which contains some items. Now I want to get the index of selected item开发者_StackOverflow中文版, i.e. if I select 5th element I should get 5. How I can get this?In every view