NET中的定时器：种类与应用场景

云烟 • 4小时前 • 编程

欢迎大家来到IT世界,在知识的湖畔探索吧!

在.NET开发中，定时器是一种常见的功能，用于在特定时间间隔执行任务。.NET框架提供了多种定时器，每种都有其特定的用途和特点。本文将介绍.NET中的几种定时器，并分享示例代码，帮助你理解它们的用法和适用场景。

```csharppublic partial class TimerForm : Form{ private System.Windows.Forms.Timer digitalClock;
 public TimerForm() { InitializeComponent(); digitalClock = new System.Windows.Forms.Timer(); digitalClock.Tick += new EventHandler(HandleTime); digitalClock.Interval = 1000; // 设置时间间隔为1秒 digitalClock.Start(); }
 private void HandleTime(object myObject, EventArgs myEventArgs) { labelClock.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); }
 private void TimerForm_FormClosed(object sender, FormClosedEventArgs e) { digitalClock.Stop(); }}```

欢迎大家来到IT世界,在知识的湖畔探索吧!

欢迎大家来到IT世界,在知识的湖畔探索吧!```csharpprivate void Dt_Tick(object sender, EventArgs e){ Dispatcher.BeginInvoke((Action)delegate() { text1.Text = DateTime.Now.ToString(); }); Console.WriteLine(DateTime.Now.ToString());}
private void Button_Click(object sender, RoutedEventArgs e){ Task.Run(() => { DispatcherTimer dt = new DispatcherTimer(); dt.Tick += Dt_Tick; dt.Interval = TimeSpan.FromSeconds(1); dt.Start(); Dispatcher.Run(); });}```

```csharpvar timer = new System.Threading.Timer(CheckStatus, , 0, 1000);
private void CheckStatus(object state){ Console.WriteLine($"{DateTime.Now} - Checking status.");}```

欢迎大家来到IT世界,在知识的湖畔探索吧!```csharpSystem.Timers.Timer timer = new System.Timers.Timer();timer.Elapsed += OnElapsed;timer.AutoReset = true;timer.Interval = 1000;timer.Enabled = true;
private void OnElapsed(object sender, System.Timers.ElapsedEventArgs args){ Console.WriteLine($"{DateTime.Now} - Elapsed.");}```

```csharpvar timer = new PeriodicTimer(TimeSpan.FromSeconds(1));try{ while (await timer.WaitForNextTickAsync()) { Console.WriteLine($"{DateTime.Now} - Tick."); }}catch (OperationCanceledException){ Console.WriteLine("Operation cancelled");}```

免责声明：本站所有文章内容,图片，视频等均是来源于用户投稿和互联网及文摘转载整编而成，不代表本站观点，不承担相关法律责任。其著作权各归其原作者或其出版社所有。如发现本站有涉嫌抄袭侵权/违法违规的内容,侵犯到您的权益，请在线联系站长,一经查实,本站将立刻删除。本文来自网络,若有侵权，请联系删除，如若转载，请注明出处：https://itzsg.com/93193.html