C# Infralution Licensing System学习笔记（四）Compact Framework Application应用

记得添加引用参考Infralution.Licensing.CF.dll，这一点与前三篇不同，其他一致，这里就不再叙述。相关代码如下，供大家参考。

1. using System;
2. using System.Collections.Generic;
3. using System.ComponentModel;
4. using System.Data;
5. using System.Drawing;
6. using System.Text;
7. using System.Windows.Forms;
8. using Infralution.Licensing.CF;
10. namespace Geoff.DeviceApplication
11. {
12.     public partial class Form1 : Form
13.     {
14.         const string LICENSE_PARAMETERS =
15.             @"<LicenseParameters>
16.                 <RSAKeyValue>
17.                     <Modulus>rzRJ6dZ4ZTJ8/EzFtq2XIaik7QBSc24b8i8KJrPaxXGiCMDFcj8JtEFePa1SYX1W3cQoiwvCAF/MYmkXto74WdApYzILel+bOHSaUXTImrxpPtykNhPD7fF3PEXxrLRrTjUWQyEX5+XSaNPstmbDJw/Zg83mraCfmGeLcsiEypM=</Modulus>
18.                     <Exponent>AQAB</Exponent>
19.                 </RSAKeyValue>
20.                 <DesignSignature>GJYsK2rQE7uj539+QCyJ3Z2GyrNEZQNxruxOQR6P2jo+Ze3Ev5Kgbf3N33RaLf7oEUsZNF4Gv7w5UFgYcdHzCphqznt4vcR++u9tb0sC5m6hf26538GXhkNodyVR9FDcv1AX4+PaM/kY+Z8mrMMmC148lYPpCHypXvgjOmDd9oQ=</DesignSignature>
21.                 <RuntimeSignature>coZIUnOTaRZCIa67HBMM6/xbkQNYS+l4ROeLmzn7SqRamBwP7cbfOEAsxlFV2roKlY6oz1B91/PYcTVPLfWahwjHaiAaLjKAosXK41yZOozu0vRWpv4H9ERiEli0pYX0M8fMBIkvSDT6n9X9T/6U4ujyefv8b4IxbYsB3zsjjx0=</RuntimeSignature>
22.                 <KeyStrength>7</KeyStrength>
23.              </LicenseParameters>";
25.         const string LICENSE_FILE = "Licensed.lic";
27.         public Form1()
28.         {
29.             InitializeComponent();
31.             EncryptedLicenseProvider provider = new EncryptedLicenseProvider();
32.             EncryptedLicense license = provider.GetLicense(LICENSE_PARAMETERS, LICENSE_FILE);
33.             if (license == null)
34.             {
35.                 LicenseInstallForm licenseForm = new LicenseInstallForm();
37.                 license = licenseForm.ShowDialog("DeviceApp", LICENSE_FILE);
38.                 if (license != null)
39.                 {
40.                     MessageBox.Show("程式授权");
41.                 }
42.             }
44.             if (license == null)
45.             {
46.                 EvaluationMonitor monitor = new EvaluationMonitor("DeviceApp");
47.                 if (monitor.DaysInUse > 30 || monitor.Invalid)
48.                 {
49.                     MessageBox.Show("程式评估期限过期");
50.                     Application.Exit();
51.                 }
52.                 else
53.                 {
54.                     MessageBox.Show(string.Format("程式30天评估期，已使用{0}天", monitor.DaysInUse)); 
55.                 }
56.             }
57.         }
58.     }
59. }