Silverlight
若要在 Silverlight 中创建计时器,请使用 System.Windows.Threading 命名空间中的 DispatcherTimer 类。
下面的示例演示一个使用 DispatcherTimer 的简单计数器。
<Grid x:Name="LayoutRoot" Background="White"> <!-- Just a TextBlock to show the output of the timer. --> <TextBlock Loaded="StartTimer" x:Name="myTextBlock" /> </Grid>
public void StartTimer(object o, RoutedEventArgs sender) { System.Windows.Threading.DispatcherTimer myDispatcherTimer = new System.Windows.Threading.DispatcherTimer(); myDispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 100); // 100 Milliseconds myDispatcherTimer.Tick += new EventHandler(Each_Tick); myDispatcherTimer.Start(); } // A variable to count with. int i = 0; // Raised every 100 miliseconds while the DispatcherTimer is active. public void Each_Tick(object o, EventArgs sender) { myTextBlock.Text = "Count up: " + i++.ToString(); }