获取机器码

下载一个dll文件：System.Management.dll

using System.Management;
using System.Management.Instrumentation;

/// <summary>  
    /// 机器码  
    /// </summary>  
   public class MachineCode  
    {  
        ///   <summary>   
        ///   获取cpu序列号       
        ///   </summary>   
        ///   <returns> string </returns>   
        public string GetCpuInfo()  
        {  
            string cpuInfo = " ";  
            using (ManagementClass cimobject = new ManagementClass("Win32_Processor"))  
            {  
                ManagementObjectCollection moc = cimobject.GetInstances();  
 
                foreach (ManagementObject mo in moc)  
                {  
                    cpuInfo = mo.Properties["ProcessorId"].Value.ToString();  
                    mo.Dispose();  
                }  
            }  
            return cpuInfo.ToString();  
        }  
 
        ///   <summary>   
        ///   获取硬盘ID       
        ///   </summary>   
        ///   <returns> string </returns>   
        public string GetHDid()  
        {  
            string HDid = " ";  
            using (ManagementClass cimobject1 = new ManagementClass("Win32_DiskDrive"))  
            {  
                ManagementObjectCollection moc1 = cimobject1.GetInstances();  
                foreach (ManagementObject mo in moc1)  
                {  
                    HDid = (string)mo.Properties["Model"].Value;  
                    mo.Dispose();  
                }  
            }  
            return HDid.ToString();  
        }  
 
        ///   <summary>   
        ///   获取网卡硬件地址   
        ///   </summary>   
        ///   <returns> string </returns>   
        public string GetMoAddress()  
        {  
            string MoAddress = " ";  
            using (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();  
        }  
    } 

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/ikmb/archive/2009/07/27/4382955.aspx