C#（WinForm）實現軟件註冊

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Management;

namespace SoftRegister
{
class SoftReg
{
///<summary>
/// 獲取硬盤卷標號
///</summary>
///<returns></returns>
public string GetDiskVolumeSerialNumber()
{
ManagementClass mc = new ManagementClass("win32_NetworkAdapterConfiguration");
ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"c:\"");
disk.Get();
return disk.GetPropertyValue("VolumeSerialNumber").ToString();
}

///<summary>
/// 獲取CPU序列號
///</summary>
///<returns></returns>
public string GetCpu()
{
string strCpu = null;
ManagementClass myCpu = new ManagementClass("win32_Processor");
ManagementObjectCollection myCpuCollection = myCpu.GetInstances();
foreach (ManagementObject myObject in myCpuCollection)
{
strCpu = myObject.Properties["Processorid"].Value.ToString();
}
return strCpu;
}

///<summary>
/// 生成機器碼
///</summary>
///<returns></returns>
public string GetMNum()
{
string strNum = GetCpu()+GetDiskVolumeSerialNumber();
string strMNum = strNum.Substring(0,24); //截取前24位作爲機器碼
return strMNum;
}

public int[] intCode = new int[127]; //存儲密鑰
public char[] charCode = new char[25]; //存儲ASCII碼
public int[] intNumber = new int[25]; //存儲ASCII碼值

//初始化密鑰
public void SetIntCode()
{
for (int i = 1; i < intCode.Length; i++)
{
intCode[i] = i % 9;
}
}

///<summary>
/// 生成註冊碼
///</summary>
///<returns></returns>
public string GetRNum()
{
SetIntCode();
string strMNum = GetMNum();
for (int i = 1; i < charCode.Length; i++) //存儲機器碼
{
charCode[i] =Convert.ToChar(strMNum.Substring(i - 1, 1));
}
for (int j = 1; j < intNumber.Length; j++) //改變ASCII碼值
{
intNumber[j] = Convert.ToInt32(charCode[j]) + intCode[Convert.ToInt32(charCode[j])];
}
string strAsciiName = ""; //註冊碼
for (int k = 1; k < intNumber.Length; k++) //生成註冊碼
{

if ((intNumber[k] >= 48 && intNumber[k] <= 57) || (intNumber[k] >= 65 && intNumber[k]
<= 90) || (intNumber[k] >= 97 && intNumber[k] <= 122)) //判斷如果在0-9、A-Z、a-z之間
{
strAsciiName += Convert.ToChar(intNumber[k]).ToString();
}
else if (intNumber[k] > 122) //判斷如果大於z
{
strAsciiName += Convert.ToChar(intNumber[k] - 10).ToString();
}
else
{
strAsciiName+=Convert.ToChar(intNumber[k]-9).ToString();
}
}
return strAsciiName;
}
}
}

註冊界面

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Microsoft.Win32;

namespace SoftRegister
{
public partial class frmRegisterForm : Form
{
public frmRegisterForm()
{
InitializeComponent();
}
public static bool state = true; //軟件是否爲可用狀態
SoftReg softReg = new SoftReg();
private void btnClose_Click(object sender, EventArgs e)
{
if (state == true)
{
this.Close();
}
else
{
Application.Exit();
}
}

private void btnReg_Click(object sender, EventArgs e)
{
try
{
if (txtRNum.Text == softReg.GetRNum())
{
MessageBox.Show("註冊成功！重啓軟件後生效！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
RegistryKey retkey = Registry.CurrentUser.OpenSubKey("Software", true).CreateSubKey("wxf").CreateSubKey("wxf.INI").CreateSubKey(txtRNum.Text);
retkey.SetValue("UserName", "Rsoft");
this.Close();
}
else
{
MessageBox.Show("註冊碼錯誤！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
txtRNum.SelectAll();
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}

private void frmRegisterForm_Load(object sender, EventArgs e)
{
this.txtMNum.Text = softReg.GetMNum();
}
}
}

是否註冊窗口

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Microsoft.Win32;
namespace SoftRegister
{
public partial class frmMainForm : Form
{
public frmMainForm()
{
InitializeComponent();
}
SoftReg softReg = new SoftReg();
private void btnClose_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void btnReg_Click(object sender, EventArgs e)
{
frmRegisterForm frmRegister = new frmRegisterForm();
frmRegister.ShowDialog();
}
///<summary>
/// 窗體加載
///</summary>
///<param name="sender"></param>
///<param name="e"></param>
private void frmMainForm_Load(object sender, EventArgs e)
{
//判斷軟件是否註冊
RegistryKey retkey = Registry.CurrentUser.OpenSubKey("SOFTWARE", true).CreateSubKey("wxf").CreateSubKey("wxf.INI");
foreach (string strRNum in retkey.GetSubKeyNames())
{
if (strRNum == softReg.GetRNum())
{
this.lblRegInfo.Text = "此軟件已註冊！";
this.btnReg.Enabled = false;
return;
}
}
this.Text = "此軟件尚未註冊！";
this.btnReg.Enabled = true;
MessageBox.Show("您現在使用的是試用版，可以免費試用30次！","信息",MessageBoxButtons.OK,MessageBoxIcon.Information);
Int32 tLong;
try
{
tLong= (Int32)Registry.GetValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\Angel", "UseTimes", 0);
MessageBox.Show("您已經使用了" + tLong + "次！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch
{
MessageBox.Show("歡迎使用本軟件！","信息",MessageBoxButtons.OK,MessageBoxIcon.Information);
Registry.SetValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\Angel","UseTimes",0,RegistryValueKind.DWord);
}
tLong = (Int32)Registry.GetValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\Angel", "UseTimes", 0);
if (tLong < 30)
{
int tTimes = tLong + 1;
Registry.SetValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\Angel", "UseTimes", tTimes);
}
else
{
DialogResult result = MessageBox.Show("試用次數已到！您是否需要註冊？", "信息", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
if (result == DialogResult.Yes)
{
frmRegisterForm.state = false;
btnReg_Click(sender, e);
}
else
{
Application.Exit();
}
}
}
}