/// <summary>

        /// 获取设备父系

        /// </summary>

        /// <param name="driver"></param>

        /// <returns></returns>

        private static bool TryGetDriverIdParent(string driver, out string resultDeviceID)

        {

            resultDeviceID = "";

            try

            {

                int CM_LOCATE_DEVNODE_NORMAL = 0x00000000;

                int CR_SUCCESS = 0x00000000;

                UInt32 parentInst;

                int curInst = ;

                int pLen = ;

                int apiResult = Win32.CM_Locate_DevNodeA(ref curInst, driver, CM_LOCATE_DEVNODE_NORMAL);

                if (apiResult != CR_SUCCESS)

                {

                    return false;

                }

                apiResult = Win32.CM_Get_Parent(out parentInst, (UInt32)curInst, CM_LOCATE_DEVNODE_NORMAL);

                if (apiResult != CR_SUCCESS)

                {

                    return false;

                }

                apiResult = Win32.CM_Get_Device_ID_Size(out pLen, parentInst, CM_LOCATE_DEVNODE_NORMAL);

                if (apiResult != CR_SUCCESS)

                {

                    return false;

                }

                char[] ptrInstanceBuf = new char[];

                //获取设备id字符串地址

                apiResult = Win32.CM_Get_Device_ID(parentInst, ptrInstanceBuf, pLen, );

                if (apiResult != CR_SUCCESS)

                {

                    return false;

                }

                resultDeviceID = new string(ptrInstanceBuf);

                return true;

            }

            catch (Exception ecException)

            {

                LogHelper.WriteErrorLog("获取父代" + ecException.Message, ecException);

                return false;

            }

        }

 [DllImport("setupapi.dll", SetLastError = true)]

        public static extern int CM_Locate_DevNodeA(ref int pdnDevInst, string pDeviceID, int ulFlags);

        [DllImport("setupapi.dll")]

        public static extern int CM_Get_Parent(out UInt32 pdnDevInst, UInt32 dnDevInst, int ulFlags);

        [DllImport("setupapi.dll", SetLastError = true)]

        public static extern int CM_Get_Device_ID_Size(out int pulLen, UInt32 dnDevInst, int flags = );

        [DllImport("setupapi.dll", CharSet = CharSet.Unicode)]

        public static extern int CM_Get_Device_ID(UInt32 dnDevInst, char[] buffer, int bufferLen, int flags);