# VAPINM_EXTENT

## Description

Reports that the user changed the view extent.

## Syntax

    #include <kvvapi.h>
    VAPINM_EXTENT = uMsg;
    (wParam is not used)
    TPVAPIFirstLast lpFirstLast = (TPVAPIFirstLast*) lParam;

## Arguments

Argument | Description
--- | ---
`lpFirstLast` | A pointer to a TPVAPIFirstLast structure that defines the view extent.

## Returns

None

## Discussion

This message is received to report the first and last logical addresses that are currently displayed. This message is generated when the user scrolls the document or resizes the client area. This message is not generated until a `SB_ENDSCROLL` or `WM_KEYUP` message is received in the case of a scroll.

© Copyright 2016-2020 Micro Focus or one of its affiliates | Send documentation feedback Close Send documentation feedback To open the configured email client on this computer, open an email window. Otherwise, copy the information below to a mail client, and then send this email to swpdl.idoldocsfeedback@microfocus.com. We appreciate your feedback! Product: Topic Title: Help Topic: Feedback:

_FT_HTML5_bannerTitle.htm