51 lines
1.3 KiB
C#
51 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Diagnostics;
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using System.Windows.Threading;
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namespace Microsoft.Research.DynamicDataDisplay.Common.Auxiliary
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{
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public static class TaskExtensions
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{
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/// <summary>
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/// Logs exceptions that occur during task execution.
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/// </summary>
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/// <param name="task">The task.</param>
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/// <returns></returns>
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public static Task WithExceptionLogging(this Task task)
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{
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return task.ContinueWith(t =>
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{
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var exception = t.Exception;
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if (exception != null)
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{
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if (exception.InnerException != null)
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exception = exception.InnerException;
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Debug.WriteLine("Failure in async task: " + exception.Message);
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}
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}, TaskContinuationKind.OnFailed);
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}
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/// <summary>
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/// Rethrows exceptions thrown during task execution in thespecified dispatcher thread.
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/// </summary>
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/// <param name="task">The task.</param>
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/// <param name="dispatcher">The dispatcher.</param>
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/// <returns></returns>
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public static Task WithExceptionThrowingInDispatcher(this Task task, Dispatcher dispatcher)
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{
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return task.ContinueWith(t =>
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{
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dispatcher.BeginInvoke(() =>
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{
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throw t.Exception;
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}, DispatcherPriority.Send);
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}, TaskContinuationKind.OnFailed);
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}
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}
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}
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