Products | Support | Send comments on this topic. | Email a link to this topic. | Back to Getting Started | Help Version 18.0.10.23
LEADTOOLS OCR C DLL Help

L_DocLockPage

Show in webframe

#include "ltdoc.h"

L_LTDOC_API L_INT L_DocLockPage(hDoc, nPageIndex)

L_HDOC hDoc;

/* handle to the OCR document */

L_INT nPageIndex;

/* page index */

Locks a specific page.

Parameter

Description

hDoc

Handle to the OCR document.

nPageIndex

Specifies the index of the page to be locked. This index is zero-based.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Locks the specified page so you can update its bitmap using L_DocUpdatePage function.

After updating the pages bitmap, you should unlock the page by calling L_DocUnlockPage.

Required DLLs and Libraries

LTDOC

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

See Also

Functions:

L_DocUnlockPage, L_DocSetActivePage, L_DocDrawPage, L_DocSelectZoneByPoint, L_DocSelectZone, L_DocRemoveSelectedZone, L_DocSetZonePen, L_DocSetSelectedZonePen, L_DocGetSelectedZone, L_DocZone, L_DocUpdatePage, L_DocCleanupPages

Topics:

OCR Functions: Pages

 

Working with Pages

Example

For an example, refer to L_DocUpdatePage.

Products | Support | Contact Us | Copyright Notices
© 2006-2014 All Rights Reserved. LEAD Technologies, Inc.