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问题描述
大家好...... 我有一个htmltags(Links)的列表视图.我想从该列表视图的每个项目中获取答复. 当我开始循环时,我的UI没有响应. 我的代码是..
Hi Everyone.... I have a listview of htmltags(Links). I want to get response from every item of that listview . when I start looping then my UI was not responding . My code is..
foreach (ListViewItem list in listView1.Items) { bool respond = checkrequest(list.Text); if (respond == true) Do something...... else others...... }
public bool checkrequest(string url) { try { WebRequest webrequest =HttpWebRequest.Create(url); WebResponse webresponse; try { webresponse = (HttpWebResponse)webrequest.GetResponse(); } catch (Exception) { return false; } } catch { } return true; }
IT需要太多时间才能做出响应.超时发生异常. 我如何才能使我的UI保持活力?并使从任何网站获取Respose的程序变得更快. 谢谢
IT takes too much time to get respond . Exception occur for Timeout . how can i make my UI alive ? and make my program faster of getting Respose from any website . Thank You
推荐答案您必须异步执行操作才能使UI保持响应. 看看任务并行库 [ ^ ] You have to execute your operations asynchronous in order to keep your UI responsive. take a look at the Task Parallel Library[^]
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如何从网站获得快速响应
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