32 lines
824 B
C#
32 lines
824 B
C#
using System.Windows.Media;
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namespace YY.Admin.Core.Helper
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{
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public static class UIHelper
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{
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/// <summary>
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/// 等待 WPF 完成下一次渲染帧，确保 UI 更新已经完成
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/// </summary>
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/// <returns></returns>
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public static async Task WaitForRenderAsync()
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{
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var tcs = new TaskCompletionSource<object?>();
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EventHandler handler = null!;
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handler = (s, e) =>
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{
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// 取消订阅
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CompositionTarget.Rendering -= handler;
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// 标记任务完成
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tcs.TrySetResult(null);
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};
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// 订阅渲染事件
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CompositionTarget.Rendering += handler;
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// 等待下一次渲染
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await tcs.Task;
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}
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}
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}
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