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我正在尝试使用这篇文章中的代码: get com port number of an USB adapter
然后我收到了这条信息:为什么?
您必须System.Management通过 VS 2010 添加对 Manually 的引用。
System.Management
右键单击项目,添加引用
选择“程序集”选项卡并搜索 System.Management 。然后添加参考。