28 lines
886 B
C#
28 lines
886 B
C#
using System.Diagnostics;
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namespace WinFormsApp3
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{
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/// <summary>
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/// 截图预览诊断日志：exe 目录下 preview_debug.log。
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/// 挂起类问题光看界面定位不到，必须把每一步（含线程号）落到磁盘上。
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/// </summary>
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public static class PreviewLog
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{
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private static readonly object Gate = new();
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private static readonly string FilePath = Path.Combine(AppContext.BaseDirectory, "preview_debug.log");
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public static void Write(string message)
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{
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string line = $"{DateTime.Now:HH:mm:ss.fff} [T{Thread.CurrentThread.ManagedThreadId:D2}] {message}";
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try
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{
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lock (Gate) File.AppendAllText(FilePath, line + Environment.NewLine);
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}
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catch
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{
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// 日志写失败不影响功能
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}
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}
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}
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}
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