KeyView 23.2

# fpGetSubFileMetadataList()

Containers can store metadata about their subfiles that is independent of the metadata stored within those subfiles. This function allows you to retrieve the metadata stored within the container about a particular subfile.

    KVErrorCode pascal fpGetSubFileMetadataList(
        void* const pFile,
        KVGetSubFileMetadataListArg args,
        const KVMetadataList** const ppMetadataList);

## Arguments

`pfile` | The identifier of the file - a file handle returned from fpOpenFile().
`args` | A pointer to the KVGetSubFileMetadataListArg structure, which specifies how to retrieve the subfile metadata.
`ppMetadataList` | A pointer to a const KVMetadataList pointer. On success, this will contain the functions for accessing metadata elements, and must be freed with its fpFree() function.

## Returns

The return value is an error code.

## Discussion

This function runs in-process or out-of-process. See The Filter Process Model.

You must free the KVMetadataList pointer using its fpFree() function.

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Version 23.2 | Last updated March 2023

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Product: IDOL KeyView 23.2

Topic Title: fpGetSubFileMetadataList()