File Content Extraction 26.1
Viewing SDK Programming Guide

# VAPINMWP_INIT_DOCTYPE

This notification message is received during the opening of a file that cannot be opened. It indicates the document's format. If the document is successfully opened, use `VAPIMWP_INIT_GETDESCRIP` to obtain a description of the document's format. This is a parameter of the `VAPINM_INIT` notification message.

## Syntax

    #include <kvvapi.h>
    VAPINM_INIT = uMsg;
    VAPINMWP_INIT_DOCTYPE = wParam;
    char *lpszDescription = (char *) lParam;

## Returns

The return value is ignored. The pointer to the `lpszDescription` becomes invalid after returning from this message.

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: VAPINMWP_INIT_DOCTYPE