L_TwainFreeScanConfig

#include "lttwn.h"

L_LTTWN_API L_INT L_TwainFreeScanConfig(hSession, ppFastConfig, nFastConfigCount)

HTWAINSESSION hSession;

handle to an existing TWAIN session

pFASTCONFIG *ppFastConfig;

address of a pointer to a FASTCONFIG structure

L_INT nFastConfigCount;

number of array elements

Frees storage allocated for a scan configuration array.

Parameter

Description

hSession

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

ppFastConfig

Address of the pointer to the array of FASTCONFIG structures. This function will free the array of FASTCONFIG structures allocated by L_TwainFindFastConfig and L_TwainGetScanConfigs.

nFastConfigCount

Number of array elements to free.

Returns

SUCCESS

The function was successful.

! = SUCCESS

An error occurred. Refer to Return Codes.

Comments

Call this function to free the memory allocated by the L_TwainFindFastConfig and L_TwainGetScanConfigs functions.

This function should be called when your program no longer needs the array of FASTCONFIG structures.

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