private static void Teardown4(World world)
{
world.Pause(); // pause really isn't necessary, since there isn't a timer to stop
world.Dispose();
}
private void btnThreadTimerWait_Click(object sender, RoutedEventArgs e)
{
try
{
MessageBox.Show("finish this", this.Title, MessageBoxButton.OK, MessageBoxImage.Warning);
return;
if (_cancel3 == null)
{
_cancel3 = new ManualResetEvent(false);
}
Thread workerThread = new Thread(() =>
{
// World
World world = new World(false);
world.UnPause();
#region Launch Timer
// Put a timer in another thread
ManualResetEvent elapsedEvent = new ManualResetEvent(false);
System.Timers.Timer timer = new System.Timers.Timer();
timer.Interval = 25;
timer.Elapsed += delegate { elapsedEvent.Set(); };
timer.AutoReset = false;
timer.Start();
#endregion
WaitHandle[] handles = new WaitHandle[] { _cancel3, elapsedEvent };
while (true)
{
#region Wait for signal to go
int handleIndex = WaitHandle.WaitAny(handles);
if (handleIndex == 0)
{
// This thread needs to finish
break; // I would prefer a switch statement, but there is no Exit While statement
}
else if (handleIndex == 1)
{
// Timer ticked
elapsedEvent.Reset();
timer.Start();
}
else
{
throw new ApplicationException("Unknown wait handle: " + handleIndex.ToString());
}
#endregion
world.Update();
}
timer.Stop();
world.Pause(); // pause really isn't necessary, since there isn't a timer to stop
world.Dispose();
});
workerThread.Start();
//TODO: Figure out how to terminate the thread from this calling thread. This article says to keep looping and checking workerThread.IsAlive.
//That's a mess. If that's the only way, then set up a little thread pool manager to do this
//http://msdn.microsoft.com/en-us/library/7a2f3ay4(v=vs.90).aspx
//task.ContinueWith(t =>
//{
// workerThread.Join();
// workerThread = null;
// _cancel3 = null;
// MessageBox.Show("Finished", this.Title, MessageBoxButton.OK, MessageBoxImage.Information);
//}, TaskScheduler.FromCurrentSynchronizationContext());
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// http://stackoverflow.com/questions/9853216/alternative-to-thread-sleep
/// </summary>
private void btnLongTimerWait_Click(object sender, RoutedEventArgs e)
{
try
{
if (_cancel2 == null)
{
_cancel2 = new CancellationTokenSource();
}
CancellationToken cancelToken = _cancel2.Token;
Task task = Task.Factory.StartNew(a =>
{
// It is from the thread pool. Explicitly create a thread for cases like this instead of using task
//if (Thread.CurrentThread.IsThreadPoolThread)
//{
// throw new ApplicationException("Long running thread can't be from the thread pool");
//}
// World
World world = new World(false);
world.UnPause();
#region Launch Timer
// Put a timer in another thread
ManualResetEvent elapsedEvent = new ManualResetEvent(false);
System.Timers.Timer timer = new System.Timers.Timer();
timer.Interval = 25;
timer.Elapsed += delegate { elapsedEvent.Set(); };
timer.AutoReset = false;
timer.Start();
#endregion
while (!cancelToken.IsCancellationRequested)
{
// Wait for the timer to tick and send a message
elapsedEvent.WaitOne();
elapsedEvent.Reset();
timer.Start();
world.Update();
}
timer.Stop();
world.Pause(); // pause really isn't necessary, since there isn't a timer to stop
world.Dispose();
}, TaskCreationOptions.LongRunning, _cancel2.Token);
task.ContinueWith(t =>
{
_cancel2 = null;
MessageBox.Show("Finished", this.Title, MessageBoxButton.OK, MessageBoxImage.Information);
}, TaskScheduler.FromCurrentSynchronizationContext());
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void btnLongSleep0_Click(object sender, RoutedEventArgs e)
{
try
{
if (_cancel1 == null)
{
_cancel1 = new CancellationTokenSource();
}
CancellationToken cancelToken = _cancel1.Token;
Task task = Task.Factory.StartNew(a =>
{
World world = new World(false);
world.UnPause();
while (!cancelToken.IsCancellationRequested)
{
Thread.Sleep(0);
world.Update();
}
world.Pause(); // pause really isn't necessary, since there isn't a timer to stop
world.Dispose();
}, TaskCreationOptions.LongRunning, _cancel1.Token);
task.ContinueWith(t =>
{
_cancel1 = null;
MessageBox.Show("Finished", this.Title, MessageBoxButton.OK, MessageBoxImage.Information);
}, TaskScheduler.FromCurrentSynchronizationContext());
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void btnTask100_Click(object sender, RoutedEventArgs e)
{
try
{
Task task = Task.Run(() =>
{
World world = new World(false);
world.UnPause();
for (int cntr = 0; cntr < 100; cntr++)
{
Thread.Sleep(50);
world.Update();
}
world.Pause(); // pause really isn't necessary, since there isn't a timer to stop
world.Dispose();
});
task.ContinueWith(t =>
{
MessageBox.Show("Finished", this.Title, MessageBoxButton.OK, MessageBoxImage.Information);
}, TaskScheduler.FromCurrentSynchronizationContext());
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void btnUI100_Click(object sender, RoutedEventArgs e)
{
try
{
World world = new World(false);
world.UnPause();
for (int cntr = 0; cntr < 100; cntr++)
{
Thread.Sleep(50);
world.Update();
}
world.Pause(); // pause really isn't necessary, since there isn't a timer to stop
world.Dispose();
MessageBox.Show("Finished", this.Title, MessageBoxButton.OK, MessageBoxImage.Information);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}