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annotate MetroWpf/MetroWpf.Framework/Extensions/TaskExtensions.cs @ 57:558c09d76726

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author Steven Hollidge <stevenhollidge@hotmail.com>
date Thu, 19 Apr 2012 14:39:59 +0100
parents 060f02cd4591
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1 using System;
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2 using System.Threading.Tasks;
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3
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4 namespace MetroWpf.Framework.Extensions
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5 {
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6 public static class TaskExtensions
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7 {
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8 public static void PropagateExceptions(this Task task)
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9 {
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10 if (task == null)
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11 throw new ArgumentNullException("task");
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12 if (!task.IsCompleted)
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13 throw new InvalidOperationException("The task has not completed yet.");
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15 if (task.IsFaulted)
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16 task.Wait();
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17 }
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18
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19 public static string GetErrorMessage(this AggregateException ex)
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20 {
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21 return ex.Flatten().InnerException.Message;
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22 }
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23 }
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24 }