[UWP]如何使用ThreadPoolTimer.CreatePeriodicTimer立即开始工作 [英] [UWP]How to start a job immediately with ThreadPoolTimer.CreatePeriodicTimer
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问题描述
现在的作用就像等待>工作>等待......
如何像工作一样工作>等等>工作......?
https://docs.microsoft.com/en-us/windows/uwp/threading-async/create-a-periodic-work-item
https://docs.microsoft.com/en-us/windows/uwp/threading-async/create-a-periodic-work-item
推荐答案
你好Kevin Jing1,
Hello Kevin Jing1,
可能,这是不可能的立即(同步)进行第一次打勾。但是,通过手动调用TimerElapsedHandler进行第一次"工作",可以模拟这样的序列。请尝试以下代码。
Probably, it's impossible to make the first tick immediately (synchronously). But it's possible to simulate such a sequence by just calling TimerElapsedHandler manually for the first "work". Try the code below anyway.
{
TimerElapsedHandler handler = (ThreadPoolTimer timer) =>
{
Debug.WriteLine("Tick:\t" + DateTime.Now.ToString());
};
Debug.WriteLine("Start:\t" + DateTime.Now.ToString());
var theTimer = ThreadPoolTimer.CreatePeriodicTimer(handler, TimeSpan.FromSeconds(3));
handler(theTimer); // Make the first tick manually.
// Subsequent ticks are to be made by the ThreadPoolTimer.
}
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