L_TwainSetAcquirePageOptions

#include "lttwn.h"

L_LTTWN_API L_INT L_TwainSetAcquirePageOptions(hSession, nPaperSize, nPaperDirection)

HTWAINSESSION hSession;

handle to an existing TWAIN session

L_INT nPaperSize;

paper size

L_INT nPaperDirection;

page orientation

Sets the page size and orientation to be used when transferring data from the current TWAIN source.

Parameter

Description

hSession

Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function.

nPaperSize

The page size to set. For more information on possible values, refer to http://www.twain.org/ and click on TWAIN Specification (Version 1.9).

nPaperDirection

The page orientation to set. For more information on possible values, refer to http://www.twain.org/ and click on TWAIN Specification (Version 1.9).

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

This function internally sets the page size capability ICAP_SUPPORTEDSIZES, and the page orientation capability ICAP_ORIENTATION. For more information on these capabilities, refer to http://www.twain.org/ and click on TWAIN Specification (Version 1.9).

To get the current values of these capabilities, call the L_TwainGetAcquirePageOptions function.

This function should be called after calling the L_TwainStartCapsNeg function and before calling the L_TwainEndCapsNeg function.

Required DLLs and Libraries

LTTWN

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files to be Included with your Application.

Help Version 19.0.2017.10.19
Products | Support | Contact Us | Copyright Notices
© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
LEADTOOLS TWAIN C API Help