void after_refresh_first(object sender, RunWorkerCompletedEventArgs e) { display.display_list(form, database.jsonlist); download_list_class download_jsonlist = new download_list_class(form, database.jsonlist); download_jsonlist.download(); //这时后台线程已经完成,并返回了主线程,所以可以直接使用UI控件了 //this.label4.Text = e.Result.ToString(); }
private void after_refresh(object sender, RunWorkerCompletedEventArgs e) { download_list_class download_list = new download_list_class(form, database.jsonlist); download_list.download(); }