// 取得設備硬盤的卷標號
        public static string GetDiskVolumeSerialNumber()
        {
            ManagementClass mc = new ManagementClass(“Win32_NetworkAdapterConfiguration”);
            ManagementObject disk = new ManagementObject(“win32_logicaldisk.deviceid=”d:”");
            disk.Get();
            return disk.GetPropertyValue(“VolumeSerialNumber”).ToString();
        }

        //獲得CPU的序列號
        public static string getCpu()
        {
            string strCpu = null;
            ManagementClass myCpu = new ManagementClass(“win32_Processor”);
            ManagementObjectCollection myCpuConnection = myCpu.GetInstances();
            foreach (ManagementObject myObject in myCpuConnection)
            {
                strCpu = myObject.Properties["Processorid"].Value.ToString();
                break;
            }
            return strCpu;
        }
        //生成機器碼
        public static string getMNum()
        {
            string strNum = getCpu() + GetDiskVolumeSerialNumber();//獲得24位Cpu和硬盤序列號
            string strMNum = strNum.Substring(0, 24);//從生成的字符串中取出前24個字符做為機器碼
            return strMNum;
        }
        public static int[] intCode = new int[127];//存儲密鑰
        public static int[] intNumber = new int[25];//存機器碼的Ascii值
        public static char[] Charcode = new char[25];//存儲機器碼字
        public static void setIntCode()//給數組賦值小于10的數
        {
            for (int i = 1; i < intCode.Length; i++)
            {
                intCode[i] = i % 9;
            }
        }

        //生成注冊碼    

       public static string getRNum()
        {
            setIntCode();//初始化127位數組
            for (int i = 1; i < Charcode.Length; i++)//把機器碼存入數組中
            {
                Charcode[i] = Convert.ToChar(getMNum().Substring(i

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