protected override void OnTaskStatuesChanged(AutomaticCancellationTaskResult <int> taskResult)
{
Application.Current.Dispatcher.Invoke(() =>
{
Application.Current.MainWindow.Title = taskResult.TaskStatus.ToString();
});
}
protected AutomaticCancellationTask(TimeSpan timeoutSpan)
{
cancellationResons = CancellationResons.None;
cts = new AutomaticCancellationTokenSource(timeoutSpan);
tcs = new TaskCompletionSource <T>();//<object>();
workThread = new Thread(() =>
{
try
{
OnTaskStart();
var result = OnTaskDoing();
if (!IsCancellationRequested)
{
tcs.SetResult(result);
OnTaskEnd();
}
}
catch (ThreadAbortException tae)
{
Thread.ResetAbort();
}
catch (Exception e)
{
tcs.SetException(e);
}
});
workThread.IsBackground = true;
cts.CancellationRequested += Cts_CancellationRequested;
tcs.Task.ContinueWith(p =>
{
T result = default(T);
Exception e = null;
if (p.IsCanceled)
{
result = default(T);
}
else if (p.IsFaulted)
{
e = p.Exception;
}
else
{
result = p.Result;
}
var taskresult =
AutomaticCancellationTaskResult <T> .BuildResult(p.Status, cancellationResons, result, e);
try
{
OnTaskStatuesChanged(taskresult);
}
catch (Exception c)
{
OnTaskError(taskresult, c);
}
});
workThread.Start();
}
/// <summary>Initializes a new instance of the <see cref="T:System.EventArgs" /> class.</summary>
public TaskErrorEventArgs(AutomaticCancellationTaskResult <T> taskResult, Exception innerException)
{
TaskResult = taskResult;
HandeResultError = innerException;
}
protected abstract void OnTaskStatuesChanged(AutomaticCancellationTaskResult <T> taskResult);
protected virtual void OnTaskError(AutomaticCancellationTaskResult <T> e, Exception innerException)
{
TaskError?.Invoke(this, new TaskErrorEventArgs <T>(e, innerException));
}
