License Class (System.ComponentModel)

.NET Framework Class Library

License Class

Provides the abstract base class for all licenses. A license is granted to a specific instance of a component.

Namespace: System.ComponentModel
Assembly: System (in System.dll)

Syntax

Visual Basic (Declaration)

<HostProtectionAttribute(SecurityAction.LinkDemand, SharedState := True)> _
Public MustInherit Class License _
    Implements IDisposable

Visual Basic (Usage)

Dim instance As License

[HostProtectionAttribute(SecurityAction.LinkDemand, SharedState = true)]
public abstract class License : IDisposable

Visual C++

[HostProtectionAttribute(SecurityAction::LinkDemand, SharedState = true)]
public ref class License abstract : IDisposable

JScript

public abstract class License implements IDisposable

Remarks

Note:
The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: SharedState. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

Note:

The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: SharedState. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

All components must call Dispose for the licenses they grant when the component is disposed or finalized.

Notes to Inheritors:

When you inherit from License, you must override the following members: LicenseKey and Dispose.

For more information on licensing, see How to: License Components and Controls.

Inheritance Hierarchy

System..::.Object
System.ComponentModel..::.License

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

Reference

License Members

System.ComponentModel Namespace

LicenseProviderAttribute

LicFileLicenseProvider

LicenseUsageMode