C#怎样使用API获取CPU 等硬件的序列号

  public class getinfo     {     /// <summary>     /// 获取cpu序列号     /// </summary>     /// <returns>cpu序列号(string类型 )</returns>     public string getcpuid()     {     string cpuinfo =" ";     managementclass cimobject = new managementclass("win32_processor");     managementobjectcollection moc = cimobject.getinstances();     foreach (managementobject mo in moc)     {     cpuinfo = mo.properties["processorid"].value.tostring();     }     return cpuinfo.tostring();     }

    /// <summary>     /// 获取硬盘id     /// </summary>     /// <returns>返回硬盘id(string类型) </returns>     public string gethdid()     {     string hdid = " ";     managementclass cimobject1 = new managementclass("win32_diskdrive");     managementobjectcollection moc1 = cimobject1.getinstances();     foreach (managementobject mo in moc1)     {     hdid = (string)mo.properties["model"].value;     }     return hdid.tostring();

    }

    /// <summary>     /// 获取网卡硬地址     /// </summary>     /// <returns>返回网卡硬地址(string类型)</returns>     public string getmoaddress()     {     string moaddress =" ";     managementclass mc = new managementclass("win32_networkadapterconfiguration");     managementobjectcollection moc2 = mc.getinstances();     foreach (managementobject mo in moc2)     {     if ((bool)mo["ipenabled"] == true)     {     moaddress = mo["macaddress"].tostring();     mo.dispose();     }     }     return moaddress.tostring();     }

    }

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