silverlight2.0中使用定时器

 

在silverlight2.0  System.Windows.Threading 命名空间下新增时间器DispatcherTimer ，以替代html中的定时器。

 

这将更方便我们程序的控制。

 

 

以下是定时器的试列：

 

xmal:

 

<Grid x:Name="LayoutRoot" Background="White">

    <!-- Just a TextBlock to show the output of the timer. -->
    <TextBlock Loaded="StartTimer" x:Name="myTextBlock" />
</Grid>

C#:

public void StartTimer(object o,RoutedEventArgs sender)
{
    System.Windows.Threading.dispatcherTimer mydispatcherTimer = new System.Windows.Threading.dispatcherTimer();
    mydispatcherTimer.Interval = new TimeSpan(0,100); // 100 Milliseconds 
    mydispatcherTimer.Tick += new EventHandler(Each_Tick);
    mydispatcherTimer.Start();
}

// A variable to count with.
int i = 0;

// Fires every 100 miliseconds while the dispatcherTimer is active.
public void Each_Tick(object o,EventArgs sender)
{
     myTextBlock.Text = "Count up: " + i++.ToString();
}