L_TwainGetResolution

#include "lttwn.h"

L_LTTWN_API L_INT L_TwainGetResolution(hSession, pXRes, pYRes)

HTWAINSESSION hSession;

handle to an existing TWAIN session

pTW_FIX32 pXRes;

pointer to a variable

pTW_FIX32 pYRes;

pointer to a variable

Gets the current horizontal and vertical resolution used to transfer images 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.

pXRes

Pointer to a variable to be updated with the current horizontal resolution value.

pYRes

Pointer to a variable to be updated with the current vertical resolution value.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

This function gets the horizontal and vertical resolution capability values ICAP_XRESOLUTION and ICAP_YRESOLUTION. For more information on these capabilities, refer to www.twain.org/download.htm and click on TWAIN Specification (Version 1.9).

To set the resolution values, call the L_TwainSetResolution 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.

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