L_TwainFreeScanConfig

Summary

Frees storage allocated for a scan configuration array.

Syntax

L_LTTWN_API L_INT L_TwainFreeScanConfig(hSession, ppFastConfig, nFastConfigCount)

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

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

Example

For an example, refer to L_TwainFindFastConfig.