L_TwainFreeScanConfig

#include "lttwn.h"

L_LTTWN_API L_INT L_TwainFreeScanConfig(hSession, ppFastConfig, nFastConfigCount)

Frees storage allocated for a scan configuration array.

Parameters

HTWAINSESSION hSession

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

pFASTCONFIG *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.

L_INT nFastConfigCount

Number of array elements to free.

Returns

Value Meaning
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

Help Version 21.0.2021.4.7
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS TWAIN C API Help