File Content Extraction 26.1
Viewing SDK Programming Guide

# VAPIMWP_VIEW_SETGRIDLINES

Sets the gridlines state of the document. This is a parameter of the `VAPIM_VIEW` message.

## Syntax

    #include <kvvapi.h>
    SendMessage(hWndVAPI, VAPIM_VIEW, VAPIMWP_VIEW_SETGRIDLINES,
               (LPARAM) (BOOL) bGridlines );

## Arguments

Argument | Description
--- | ---
`hWndVAPI` | The handle of the VAPI window.
`bGridlines` | A flag that is `TRUE` or `FALSE` to enable or disable the document gridlines.

## Returns

`SendMessage()` returns `TRUE` if the call succeeds; otherwise it returns `FALSE`.

## Discussion

Use this message to implement a Toggle Gridlines menu item or toolbar button.

Copyright 2016-2025 Open Text
Version 26.1 | Last updated January 2026

Send documentation feedback

Close

Send documentation feedback

To send feedback using your default email client, open an email window.

Otherwise, send your feedback and the information below to MFI-swpdl.idoldocsfeedback@opentext.com.

We appreciate your feedback!

Product: File Content Extraction 26.1

Topic Title: VAPIMWP_VIEW_SETGRIDLINES