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34 lines
1.1 KiB
C#
34 lines
1.1 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;
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namespace POSV.HttpRequest
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{
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/// <summary>
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/// IAsyncResultExtensions
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/// </summary>
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public static class IAsyncResultExtensions
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{
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/// <summary>
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/// 异步编程带超时
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/// </summary>
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/// <param name="asyncResult">IAsyncResult</param>
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/// <param name="endMethod">回调函数</param>
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/// <param name="timeout">超时</param>
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public static void FromAsync(this IAsyncResult asyncResult, Action<IAsyncResult, bool> endMethod, TimeSpan? timeout) {
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int timeoutValue = -1;
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if (timeout.HasValue) {
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timeoutValue = Convert.ToInt32(timeout.Value.TotalMilliseconds);
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}
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//向线程池添加一个可以定时执行的方法
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ThreadPool.RegisterWaitForSingleObject(asyncResult.AsyncWaitHandle,
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(s, isTimedout) => endMethod(asyncResult, isTimedout), null,
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timeoutValue, true);
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}
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}
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}
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