LicenseProvider Class
.NET Framework 3.0
Provides the abstract base class for implementing a license provider.
Namespace: System.ComponentModel
Assembly: System (in system.dll)
Assembly: System (in system.dll)
Notes to Inheritors:
When you inherit from LicenseProvider, you must override the GetLicense method.
See LicFileLicenseProvider for an implementation of this class. For more information on licensing, see How to: License Components and Controls.
The following code example creates a licensed control using the Validate method. It uses a LicenseProvider that is implemented by the LicFileLicenseProvider class.
Imports System Imports System.ComponentModel Imports System.Windows.Forms ' Adds the LicenseProviderAttribute to the control. <LicenseProvider(GetType(LicFileLicenseProvider))> _ Public Class MyControl Inherits Control ' Creates a new, null license. Private license As License = Nothing Public Sub New() ' Adds Validate to the control's constructor. license = LicenseManager.Validate(GetType(MyControl), Me) ' Insert code to perform other instance creation tasks here. End Sub Protected Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If (license IsNot Nothing) Then license.Dispose() license = Nothing End If End If End Sub End Class
import System.*;
import System.ComponentModel.*;
import System.Windows.Forms.*;
// Adds the LicenseProviderAttribute to the control.
/** @attribute LicenseProvider(LicFileLicenseProvider.class)
*/
public class MyControl extends Control
{
// Creates a new, null license.
private License license = null;
public MyControl()
{
// Adds Validate to the control's constructor.
license = LicenseManager.Validate(MyControl.class.ToType(), this);
// Insert code to perform other instance creation tasks here.
}
protected void Dispose(boolean disposing)
{
if (disposing) {
if (license != null) {
license.Dispose();
license = null;
}
}
}
}
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
ADD
Show: