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IEvalRat Interface

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This topic applies to Windows XP Service Pack 1 or later.

The IEvalRat interface is used to evaluate content ratings carried by a broadcast stream. This interface is exposed by the EvalRat (ratings evaluator) object. The EvalRat object is implemented by third parties.

The Encrypter/Tagger filter and the Decrypter/Detagger filter use this interface. Applications use the interfaces exposed by those filters, but typically do not use the IEvalRat interface.

IID: IID_IEvalRat

Methods

The IEvalRat interface inherits the methods of the IDispatch interface.

In addition, IEvalRat defines the following methods.

Method Description

get_BlockedRatingAttributes

Determines whether content is blocked for a given rating system and rating level.

get_BlockUnRated

Indicates whether a program without rating information is blocked.

MostRestrictiveRating

Compares two ratings and returns the more restrictive of the two.

put_BlockedRatingAttributes

Specifies whether to block content that has a specified rating.

put_BlockUnRated

Specifies whether to block a program for which rating information has not been obtained.

TestRating

Determines whether a program with the specified rating should be blocked.

See Also

TV Ratings Interfaces

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Build date: 12/4/2008