// 取得设备硬盘的卷标号         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();         }         //获得CPU的序列号         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;         }         //生成机器码         public static string getMNum()         {             string strNum = getCpu() + GetDiskVolumeSerialNumber();//获得24位Cpu和硬盘序列号             string strMNum = strNum.Substring(0, 24);//从生成的字符串中取出前24个字符做为机器码             return strMNum;         }         public static int[] intCode = new int[127];//存储密钥         public static int[] intNumber = new int[25];//存机器码的Ascii值         public static char[] Charcode = new char[25];//存储机器码字         public static void setIntCode()//给数组赋值小于10的数         {             for (int i = 1; i < intCode.Length; i++)             {                 intCode[i] = i % 9;             }         }

        //生成注册码            public static string getRNum()         {             setIntCode();//初始化127位数组             for (int i = 1; i < Charcode.Length; i++)//把机器码存入数组中             {                 Charcode[i] = Convert.ToChar(getMNum().Substring(i – 1, 1));             }             for (int j = 1; j < intNumber.Length; j++)//把字符的ASCII值存入一个整数组中。             {                 intNumber[j] = intCode[Convert.ToInt32(Charcode[j])] + Convert.ToInt32(Charcode[j]);             }             string strAsciiName = “”;//用于存储注册码             for (int j = 1; j < intNumber.Length; j++)             {                 if (intNumber[j] >= 48 && intNumber[j] <= 57)//判断字符ASCII值是否0－9之间                 {                     strAsciiName += Convert.ToChar(intNumber[j]).ToString();                 }                 else if (intNumber[j] >= 65 && intNumber[j] <= 90)//判断字符ASCII值是否A－Z之间                 {                     strAsciiName += Convert.ToChar(intNumber[j]).ToString();                 }                 else if (intNumber[j] >= 97 && intNumber[j] <= 122)//判断字符ASCII值是否a－z之间                 {                     strAsciiName += Convert.ToChar(intNumber[j]).ToString();                 }                 else//判断字符ASCII值不在以上范围内                 {                     if (intNumber[j] > 122)//判断字符ASCII值是否大于z                     {                         strAsciiName += Convert.ToChar(intNumber[j] – 10).ToString();                     }                     else                     {                         strAsciiName += Convert.ToChar(intNumber[j] – 9).ToString();                     }                 }             }             return strAsciiName;         }

/// <summary>         /// 检查注册         /// </summary>         private void CheckRegist()         {                 this.btn_reg.Enabled = true;                   RegistryKey retkey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(“software”, true).CreateSubKey(“wxk”).CreateSubKey(“wxk.INI”);                 foreach (string strRNum in retkey.GetSubKeyNames())//判断是否注册                 {                     if (strRNum == clsTools.getRNum())                     {                         thControl(true);                         return;                     }                 }                 thControl(false);                 Thread th2 = new Thread(new ThreadStart(thCheckRegist2));                 th2.Start();           }         }         /// <summary>         /// 验证试用次数         /// </summary>         private static void thCheckRegist2()         {             MessageBox.Show(“您现在使用的是试用版，该软件可以免费试用3000000次！”, “提示”, MessageBoxButtons.OK, MessageBoxIcon.Information);             Int32 tLong;             try             {                 tLong = (Int32)Registry.GetValue(“HKEY_LOCAL_MACHINE\SOFTWARE\angel”, “UseTimes”, 0);                 MessageBox.Show(“感谢您已使用了” + tLong + “次”, “提示”, MessageBoxButtons.OK, MessageBoxIcon.Information);             }             catch             {                 Registry.SetValue(“HKEY_LOCAL_MACHINE\SOFTWARE\angel”, “UseTimes”, 0, RegistryValueKind.DWord);                 MessageBox.Show(“欢迎新用户使用本软件”, “提示”, MessageBoxButtons.OK, MessageBoxIcon.Information);             }             tLong = (Int32)Registry.GetValue(“HKEY_LOCAL_MACHINE\SOFTWARE\angel”, “UseTimes”, 0);             if (tLong < 3000000)             {                 int Times = tLong + 1;                 Registry.SetValue(“HKEY_LOCAL_MACHINE\SOFTWARE\angel”, “UseTimes”, Times);             }             else             {                 MessageBox.Show(“试用次数已到”, “警告”, MessageBoxButtons.OK, MessageBoxIcon.Warning);                 Application.Exit();             }         }