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IMDSPObject2 Interface

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Windows Media Device Manager uses IMDSPObject2 only for syncable devices. For more information, see Syncable Devices.

The IMDSPObject2 interface extends IMDSPObject by providing more efficient data transfer. This applies to both clear and protected files. It is strongly recommended that service providers that support syncable devices should implement this interface because the efficiency gain is quite significant.

In addition to the methods inherited from IMDSPObject, the IMDSPObject2 interface exposes the following methods.

Method Description
ReadOnClearChannel Reads data from the object at the current position without secure authenticated channel (SAC).
WriteOnClearChannel Writes data to the object at the current position without SAC.

See Also