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.

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.

See Also

Functions:	L_TwainAcquire, L_TwainAcquireList, L_TwainInitSession, L_TwainEndSession, L_TwainOpenTemplateFile, L_TwainCloseTemplateFile, L_TwainTemplateDlg, L_TwainAddCapabilityToFile, L_TwainGetNumofCapsInFile, L_TwainGetCapabilityFromFile, L_TwainAcquireMulti, L_TwainFindFastConfig, L_TwainGetScanConfigs, L_TwainFastAcquire
Topics:	Fast TWAIN (Scan Configurations)
	TWAIN Functionality: Fast TWAIN (Scan Configuration) Functions.

For an example, refer to L_TwainFindFastConfig.

Help Version 19.0.2017.10.27

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