How to do software authorization in C# (including usage documentation)

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[Source code example]

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.IO;using My.License.Reg;namespace My.License.Demo{ public partial class Form1 : Form { public static int CheckRule = My.Framework.ConvertHelper.ToInt(My.Framework.Sys.SysConfig.GetAppSetting("CheckRule")); public Form1() { InitializeComponent() ; } #region authorization processing private bool isHasLicense = false; //Whether there is a license, the default is False #region whether there is a permission code and it is correct ///

/// whether there is a permission code and it is correct /// < /summary> /// public bool IsHasCode(ref string errorMsg) { string error = string.Empty; try { //2017-12-12 No software system and version number authorization //isHasLicense = My .License.BizHelper.LicenseCheck.Instance.CheckLicense(ref errorMsg); //2017-12-12 No software system and version number authorization//2017-12-12 Software system and version number authorization isHasLicense = My.License.BizHelper .LicenseCheck.Instance.CheckLicense(ref errorMsg, new SoftInfo()); //2017-12-12 There is software system and version number authorization} catch (Exception ex) { error = ex.Message; isHasLicense = false; } return isHasLicense ; } #endregion #region Get the relevant License.xml file ///

/// Whether the permission code is correct and ///

/// public bool HasLicenseFile() { bool isHasLicenseXML = false; string error = string.Empty; try { string licenseXMLFilePath = My.Framework.FileHelper.GetApplicationPath() "\License.xml"; string[] tempArry = licenseXMLFilePath.Split('\');/ /MachineCode int fileNameLength = tempArry[tempArry.Length - 1].Length; string dir = licenseXMLFilePath.Substring(0, licenseXMLFilePath.Length - fileNameLength - 1); if (Directory.Exists(dir)) { if (File.Exists( licenseXMLFilePath)) { //string licenseCheckStr = MyLicense.Interface.ComputerInfoHelper.GetLicenseCheckStr(MyLicense.Interface.ComputerInfoHelper.GetCheckKey(), MachineCode, string.Empty); string licenseLscFilePath = My.Framework.FileHelper.GetApplicationPath() "\" MachineCode ".lsc"; isHasLicenseXML = (File.Exists(licenseLscFilePath)); } } } catch (Exception ex) { error = ex.Message; isHasLicenseXML = false; } return isHasLicenseXML; } #endregion #region License authorized/ //

/// The license has been authorized ///

public bool LicenseIsOK { get { return isHasLicense; } } #endregion #region The license has been authorized ///

/// The license has been granted Authorization///

public string MachineCode { get { return My.License.BizHelper.LicenseCheck.Instance.GetIMEI;//return machine code string } } #endregion private void Form1_Load(object sender, EventArgs e) { string errorMsg = string.Empty; if (IsHasCode(ref errorMsg) == false || HasLicenseFile() == false) { //this.Close(); //Application.Run(new LicenseImport()); this.Hide() ; LicenseImport licenseFrm = new LicenseImport(); licenseFrm.Owner = this; licenseFrm.ShowDialog(); } else { string mgs = string.Empty; MessageBox.Show("OK"); } } #endregion }}