求Win8下如何禁用/启用网卡的C#源代码

Question

以下代码在win7下能够成功启用/禁用网卡，但是在win8下无效

/// <summary>
        /// 禁用网卡
        /// </summary>5
        /// <param name="netWorkName">网卡名</param>
        /// <returns></returns>
        private static bool DisableNetWork(ManagementObject network)
        {
            try
            {
                network.InvokeMethod("Disable", null);
                return true;
            }
            catch
            {
                return false;
            }
        }
        /// <summary>
        /// 启用网卡
        /// </summary>
        /// <param name="netWorkName">网卡名</param>
        /// <returns></returns>
        private static bool EnableNetWork(ManagementObject network)
        {
            try
            {
                network.InvokeMethod("Enable", null);
                return true;
            }
            catch
            {
                return false;
            }
        }