地铁应用倒计时 [英] Countdown timer for metro App

问题描述

我是初学者在Metro风格的发展，
我试图做一个小的游戏，需要一个计时器，倒计时从10到0
但是在这个Visual Studio中没有定时器组件， DispatcherTimer未映射到了xmlns。

I'm beginner in Metro Style Developing, I tried to make a small game that's need a timer, countdown from 10 to 0. But at this Visual Studio there is no Timer Component, and DispatcherTimer Not mapped to an xmlns.

我试图用时间跨度，具有该领域的TicksPerSecond但这个例子这么想的帮助我，使我的倒计时：
的 http://msdn.microsoft.com/en-us/library/system.timespan .tickspersecond.aspx

I Tried to use TimeSpan, that have this field "TicksPerSecond" But this example dosen't help me to make my countdown timer : http://msdn.microsoft.com/en-us/library/system.timespan.tickspersecond.aspx

时间跨度也有这种方法FromSeconds，我不能也用这一个我的倒计时：
http://msdn.microsoft.com/en-us/library /system.timespan.fromseconds.aspx

TimeSpan also have this method "FromSeconds", and i Can't also use this one for my countdown timer : http://msdn.microsoft.com/en-us/library/system.timespan.fromseconds.aspx

也是我在阅读计算器这样的疑问：
的如何实现在Metro应用
定时器，但这是没有用的。

also I Read this question at stackoverflow : How to Implement a timer in Metro App but this isn't useful.

我能为这个倒数计时器办？

what can I do for this countdown timer?

推荐答案

有一个<一个HREF =http://winrtxamltoolkit.codeplex.com/SourceControl/changeset/view/13069#228449相对=nofollow> CountdownControl 中的的WinRT XAML工具包，可以帮助你太 - 它基本上是用动画的事件之间需要1秒。另一种选择是使用异步/等待关键字 - 你基本上可以说等待Task.Delay（1000），以等待一秒钟，并呼吁它在一个循环倒计时秒。这也将是便携式的。

There is a CountdownControl in the WinRT XAML Toolkit that could help you too - it is basically using an animation that takes 1s between events. Another option would be to use the async/await keywords - you can basically say await Task.Delay(1000) to wait for a second and call it in a loop to count down seconds. This would also be portable.

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