c#获取硬件信息

string GetCpuID()
        {
            try
            {
                //获取CPU序列号代码 
                string cpuInfo = "";//cpu序列号 
                
                ManagementClass mc = new ManagementClass("Win32_Processor");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    cpuInfo = mo.Properties["ProcessorId"].Value.ToString();
                }
                moc = null;
                mc = null;
                return "cpu序列号："+cpuInfo;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }
        string GetMacAddress()
        {
            try
            {
                //获取网卡硬件地址 
                string mac = "";
                ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    if ((bool)mo["IPEnabled"] == true)
                    {
                        mac = mo["MacAddress"].ToString();
                        break;
                    }
                }
                moc = null;
                mc = null;
                return "网卡MAC地址："+mac;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }
        string GetIPAddress()
        {
            try
            {
                //获取IP地址 
                string st = "";
                ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    if ((bool)mo["IPEnabled"] == true)
                    {
                        //st=mo["IpAddress"].ToString(); 
                        System.Array ar;
                        ar = (System.Array)(mo.Properties["IpAddress"].Value);
                        st = ar.GetValue(0).ToString();
                        break;
                    }
                }
                moc = null;
                mc = null;
                return "IP地址:"+st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }
        string GetDiskID()
        {
            try
            {
                //获取硬盘ID 
                String HDid = "";
                ManagementClass mc = new ManagementClass("Win32_DiskDrive");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    HDid = (string)mo.Properties["Model"].Value;
                }
                moc = null;
                mc = null;
                return "硬盘序列号："+HDid;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }
        /// <summary> 
        /// 操作系统的登录用户名 
        /// </summary> 
        /// <returns></returns> 
        string GetUserName()
        {
            try
            {
                string st = "";
                ManagementClass mc = new ManagementClass("Win32_ComputerSystem");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    st = mo["UserName"].ToString();
                }
                moc = null;
                mc = null;
                return "系统登录用户名："+st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }
        /// <summary> 
        /// PC类型 
        /// </summary> 
        /// <returns></returns> 
        string GetSystemType()
        {
            try
            {
                string st = "";
                ManagementClass mc = new ManagementClass("Win32_ComputerSystem");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    st = mo["SystemType"].ToString();
                }
                moc = null;
                mc = null;
                return "电脑类型:"+st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }
        /// <summary> 
        /// 物理内存 
        /// </summary> 
        /// <returns></returns> 
        string GetTotalPhysicalMemory()
        {
            try
            {
                string st = "";
                ManagementClass mc = new ManagementClass("Win32_ComputerSystem");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    st = mo["TotalPhysicalMemory"].ToString();
                }
                moc = null;
                mc = null;
                return "物理内存："+st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }
        /// <summary> 
        ///  获取计算机名称
        /// </summary> 
        /// <returns></returns> 
        string GetComputerName()
        {
            try
            {
                return "计算机名："+System.Environment.GetEnvironmentVariable("ComputerName");
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }