35 lines
973 B
C#
35 lines
973 B
C#
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using System.Threading;
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using System.Threading.Tasks;
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namespace SWS.CAD.Models.NoEntity
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{
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/// <summary>
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/// 搜索框防抖类
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/// </summary>
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public class Debouncer
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{
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private readonly int _delayMilliseconds;
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private CancellationTokenSource _cancellationTokenSource;
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public Debouncer(int delayMilliseconds = 300)
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{
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_delayMilliseconds = delayMilliseconds;
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}
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public void Debounce(System.Action action)
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{
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_cancellationTokenSource?.Cancel();
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_cancellationTokenSource = new CancellationTokenSource();
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Task.Delay(_delayMilliseconds, _cancellationTokenSource.Token)
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.ContinueWith(t =>
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{
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if (t.IsCompleted && !t.IsCanceled)
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{
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action?.Invoke();
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}
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}, TaskScheduler.FromCurrentSynchronizationContext());
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}
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}
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}
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