File Content Extraction 26.1
Filter SDK C Programming Guide

# fpGetKvErrorCodeEx()

This function returns an error code defined in `KVErrorCode`. You can call this function to obtain additional information when fpGetDocInfoFile() or fpGetDocInfoStream() returns `false`. For information about the error codes that can be returned, see KVErrorCode.

DEPRECATED: The `fpGetKvErrorCodeEx()` function is deprecated in KeyView 23.2.0 and later.

This function is useful only if you use the deprecated functions fpGetDocInfoFile(), fpGetDocInfoStream(), and fpFilterConfig() which return `FALSE` to indicate an error, rather than returning an error code.

This function is still available for existing implementations, but it might be incompatible with new functionality and might be removed in future.

## Syntax

    KVErrorCodeEx pascal fpGetKvErrorCodeEx ( KVFilterSession session )

## Arguments

`session` | A Filter session that you initialized by calling fpInit().

## Returns

- If the call is successful, the return value is `KVError_Success`.
- If the call is not successful, the return value is an error code that indicates the problem.

## Discussion

You can access this function through the KV_GetFilterInterfaceEx() interface.

## Example

    if (!fpGetDocInfoFile(session, szFile, pADDocInfo))
    {
        int kvError = pFilterInterface->fpGetKvErrorCodeEx(session);
        printf("Error code %d\n", kvError);
        return;
    }

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: fpGetKvErrorCodeEx()