Nito.AsyncEx.Context/ExceptionHelpers.cs
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using System; using System.Runtime.ExceptionServices; internal static class ExceptionHelpers { /// <summary> /// Attempts to prepare the exception for re-throwing by preserving the stack trace. The returned exception should be immediately thrown. /// </summary> /// <param name="exception">The exception. May not be <c>null</c>.</param> /// <returns>The <see cref="Exception"/> that was passed into this method.</returns> public static Exception PrepareForRethrow(Exception exception) { ExceptionDispatchInfo.Capture(exception).Throw(); // The code cannot ever get here. We just return a value to work around a badly-designed API (ExceptionDispatchInfo.Throw): // https://connect.microsoft.com/VisualStudio/feedback/details/689516/exceptiondispatchinfo-api-modifications (http://www.webcitation.org/6XQ7RoJmO) return exception; } } |