注册码生成2

获取电脑CPUID,HdId,MacId后，加工处理这个字符串

   //交换字符的位置
        private string ChangCharLocation(string pcNum)
        {

            string hidMacId = pcNum;
            char[] chars = hidMacId.ToCharArray();
            char temp;
            for (int i = 1; i < 4; i++)
            {
                int n = 2 * i - 1;
                temp = chars[n];
                chars[n] = chars[n + 11];
                chars[n + 11] = temp;
            }
            string str = "";
            for (int i = 0; i < chars.Length; i++)
            {
                str += chars[i];
            }

            return str;
        }
        //字符加个数转化成其他字符
        private string GenerateRegNum(string hidMacId)
        {          
            char[] chars = hidMacId.ToCharArray();
            char temp;
            for (int i = 0; i < chars.Length; i++)
            {
                temp = chars[i];
                chars[i] = (char)((int)temp + 30);
            }
            string regNum = "";
            for (int i = 0; i < chars.Length; i++)
            {
                regNum += chars[i];
            }

            return regNum;
        }