This section describes the interfaces included in the Information Delivery API.
| IChannelMgr | Provides the ability to add and delete Active Channels and channel categories in the desktop channel bar. |
| IEnumChannels | Enumerates channels. |
| IEnumItemProperties | Enumerates subscription item properties. |
| IEnumSubscription | Allows a client program to enumerate subscription information. |
| ISubscriptionItem | Allows a client program to access the subscription item information. |
| ISubscriptionMgr | Allows a client program to control the subscription manager. |
| ISubscriptionMgr2 | Allows a client program to control the subscription manager. |