背景:
我需要一个用于嵌入式系统解决方案的高分辨率计时器,因此我决定使用The Code Project中的MicroTimer ...
顺便说一句,我开发了一个Windows 窗体应用程序来测试它在此类应用程序中的效率并避免“跨线程操作......”,我必须使用调用方法、BackgroundWorker 等并决定使用此代码:
private void btnMicorTimer_Click(object sender, EventArgs e)
{
// Instantiate new MicroTimer
MicroLibrary.MicroTimer microTimer = new MicroLibrary.MicroTimer();
// Add event handler
microTimer.MicroTimerElapsed +=
new MicroLibrary.MicroTimer.MicroTimerElapsedEventHandler(OnTimedEvent);
// Call micro timer every 1000µs (1ms)
microTimer.Interval = 1000;
// Can choose to ignore event if late by Xµs (by default will try to catch up)
// microTimer.IgnoreEventIfLateBy = 500;
microTimer.Enabled = true; // Start timer
// Do something whilst events are happening. For demo sleep, 2000 ms (2 sec).
System.Threading.Thread.Sleep(2000);
microTimer.Enabled = false; // Stop timer
}
private void OnTimedEvent(object sender,
MicroLibrary.MicroTimerEventArgs timerEventArgs)
{
string response = string.Format(
"Count = {0:#,0} Timer = {1:#,0} µs | " +
"LateBy = {2:#,0} µs | ExecutionTime = {3:#,0} µs",
timerEventArgs.TimerCount, timerEventArgs.ElapsedMicroseconds,
timerEventArgs.TimerLateBy, timerEventArgs.CallbackFunctionExecutionTime);
// Do something small that takes significantly less time than Interval
if (listBox1.InvokeRequired)
{
Invoke(new MethodInvoker(
delegate
{
listBox1.Items.Add(response);
}));
}
else
listBox1.Items.Add(response);
}
问题:
如前所述,应用程序在按下按钮后立即停止!简而言之,这就是在 btnMicorTimer_Click 之后发生的事情 :( 看起来该项目陷入了无限循环。