42 lines
1.3 KiB
C#
42 lines
1.3 KiB
C#
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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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using System.Threading.Tasks;
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namespace JinYuan.Helper
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{
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/// <summary>
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/// 定时器重置时间间隔，定时器执行未超间隔则设置剩余时间后再次触发，超时则立即触发
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/// </summary>
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public class TimerReset : IDisposable
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{
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private Timer timer;
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private DateTime nextTime;
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/// <summary>
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/// 使用using语句，在定时器TimerCallback中使用
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/// using语句块内为时间到时的执行代码，dispose计算使用的时间，来重设下次触发时间
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/// </summary>
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/// <param name="tim">定时器</param>
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/// <param name="ep">时间间隔</param>
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public TimerReset(Timer tim, int ep)
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{
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timer = tim;
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nextTime = DateTime.Now.AddMilliseconds(ep);//设置下次执行时间
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}
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public void Dispose()
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{
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//执行完后,重新设置定时器下次执行时间.
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TimeSpan timeout = nextTime.Subtract(DateTime.Now);
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if (timeout < TimeSpan.Zero)
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{
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timeout = TimeSpan.Zero;
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}
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timer.Change(timeout, Timeout.InfiniteTimeSpan);
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}
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}
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}
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