项目 5 补齐:旧版线程 API(Suspend / Resume / Abort)与 ListBox
- 编译时把 Thread 的 Suspend / Resume / Abort、ThreadState、Sleep、new Thread 改写成平台的 协作式实现:被挂起或终止的线程在 Sleep、后台改控件、调设备类库、弹提示框时停下或结束; ThreadStateException 等行为与 .NET Framework 一致;编辑器不再提示"已过时" - ListBox:列表项、单选、SelectedIndexChanged 先于 Click、删除选中项后取消选中; ComboBox 与 ListBox 共用 ListControl 和列表项集合;设计器工具箱加"列表框" - 评分规则的"包含"对列表框检查所有列表项 - 示例:项目 5 任务 2(烟雾,线程)、任务 3(推送灾情,二维数组、两个窗体、ListBox), 参考答案修正书上直接 Abort 挂起线程、烟雾记成"发现火情"的问题 - 一直不换行的 Console 输出攒满 4096 字符先发出,避免占满内存 - 测试:旧版线程 API、ListBox 事件顺序、两个示例的端到端和评分测试 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -7,6 +7,9 @@ namespace Sim.Runner;
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/// <summary>把学生程序的 Console 输出按行转发给浏览器(标准输出本身留给协议消息使用)</summary>
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internal sealed class ConsoleForwarder : TextWriter
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{
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/// <summary>一直不换行的输出(如教材的 while (true) Console.Write("A"))攒到这么多字符就先发出去</summary>
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private const int MaxBuffered = 4096;
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private readonly StringBuilder _buffer = new();
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public override Encoding Encoding => Encoding.UTF8;
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@@ -16,7 +19,7 @@ internal sealed class ConsoleForwarder : TextWriter
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lock (_buffer)
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{
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_buffer.Append(value);
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if (value == '\n') FlushBuffer();
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if (value == '\n' || _buffer.Length >= MaxBuffered) FlushBuffer();
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}
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}
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@@ -26,7 +29,7 @@ internal sealed class ConsoleForwarder : TextWriter
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lock (_buffer)
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{
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_buffer.Append(value);
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if (value.Contains('\n')) FlushBuffer();
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if (value.Contains('\n') || _buffer.Length >= MaxBuffered) FlushBuffer();
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}
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}
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