完成统一 PortStateChange 事件与变量维护

chenluhua1980

2026-01-09 6c373f004d79b28c735bbee2bd391bd412270535

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup />
</Project>