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TagsEditor.MP4_UniqueFramesCountGet method

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Obtains the number of unique frames found inside the MP4 tag. The identifier of each unique frame can be obtained through the TagsEditor.MP4_UniqueFramesIdGet method.


Multiple instances of the picture frame can be available inside the same MP4 tag: when this method is called, the enumeration will not keep count of multiple instances of a specific frame but will only report the availability of the frame itself; once the availability of a specific frame is known, single specific picture frames can be enumerated using the TagsEditor.MP4_PictureFrameCountGet method.


For further details about methods related to tags editing refer to the TagsEditor object.

For details about the editing of tags see the How to edit tag info in sound files tutorial.





[Visual Basic]

control.TagsEditor.MP4_UniqueFramesCountGet (

) as Integer



short control.TagsEditor.MP4_UniqueFramesCountGet (




Return value






Negative value

An error occurred (see the LastError property for further error details)

Other values

The number of unique frames found inside the MP4 tag