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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 |
|---|---|
Determines whether content is blocked for a given rating system and rating level. |
|
Indicates whether a program without rating information is blocked. |
|
Compares two ratings and returns the more restrictive of the two. |
|
Specifies whether to block content that has a specified rating. |
|
Specifies whether to block a program for which rating information has not been obtained. |
|
Determines whether a program with the specified rating should be blocked. |
See Also
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Build date: 12/4/2008