C# 主板号CPU硬盘等信息

       /// <summary>
        /// <summary>
        /// 获取主板号
        /// </summary>
        /// <returns></returns>
        public string GetMotherboardNumber()
        {
            string strbNumber = string.Empty;
            ManagementObjectSearcher mos = new ManagementObjectSearcher("select * from Win32_baseboard");
            foreach (ManagementObject mo in mos.Get())
            {
                strbNumber = mo["SerialNumber"].ToString();

            }
            return strbNumber;
        }

        public 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 cpuInfo;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }
        public 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 mac;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }
        public 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 st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }

        public 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 HDid;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }

        /// <summary> 
        /// 操作系统的登录用户名 
        /// </summary> 
        /// <returns></returns> 
        public 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 st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }


        /// <summary> 
        /// PC类型 
        /// </summary> 
        /// <returns></returns> 
        public 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 st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }

        /// <summary> 
        /// 物理内存 
        /// </summary> 
        /// <returns></returns> 
        public 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 st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }
        /// <summary> 
        ///  
        /// </summary> 
        /// <returns></returns> 
        public string GetComputerName()
        {
            try
            {
                return System.Environment.GetEnvironmentVariable("ComputerName");
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }