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我必须使用 WMI 进行端口扫描。有这个查询吗?我尝试了下面提到的代码,但它没有进入循环:

 ManagementObjectCollection mReturn;
 ManagementObjectSearcher mSearch;
 mSearch = new ManagementObjectSearcher("SELECT * FROM Win32_SerialPort");
 mReturn = mSearch.Get();

 foreach (ManagementObject mObj in mReturn)
 {       
     listBox1.Items.Add(mObj["Name"].ToString());
 }
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