# fpCanFilterStream()

This function determines whether the format of the file to which a stream points is supported by KeyView.

## Syntax

    KVErrorCode pascal fpCanFilterStream(
        void    *pcontext,
        void    *pStreamContext );

## Arguments

`pContext` | A pointer returned from fpInit() or fpInitWithLicenseData().
`pStreamContext` | A pointer returned from fpOpenStream() or fpOpenStreamEx2().

## Returns

- If the file format is supported, the return value is `KVERR_Success`.
- If the file format is not supported, the return value is an error code. See KVErrorCode.

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