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Migrating from the Event Notification and Authorization API

In the Windows Media Services 4.1 SDK, the Event Notification and Authorization API is used to create custom event notification and authorization plug-ins. For the Windows Media Services 9 Series SDK, a new plug-in architecture is used to create custom event notification and authorization plug-ins.

The following table shows the interfaces of the Event Notification and Authorization API and their equivalents in the Windows Media Services 9 Series SDK.

Version 4.1 interface

9 Series equivalent

INSSEventAuthorization

IWMSEventAuthorizationPlugin

INSSEventAuthorizationCallback

IWMSEventAuthorizationCallback

INSSEventNotification

IWMSBasicPlugin, IWMSEventNotificationPlugin

INSSCommandContext

IWMSCommandContext

The following table shows the data structures used with the Event Notification and Authorization API and their equivalents in the Windows Media Services 9 Series SDK.

Version 4.1 data structure

9 Series equivalent

NSS_EVENT

WMS_EVENT

NSS_EVENT_TYPE

WMS_EVENT_TYPE

Custom plug-ins created with the Windows Media Services 9 Series SDK are registered differently than the custom plug-ins created with the Windows Media Services 4.1 SDK. For information on registering plug-ins, see Registering Plug-ins.

See Also (General)