LWia::FreeItem

#include "ltwrappr.h"

virtual L_INT LWia::FreeItem(pItem)

L_VOID * pItem;

/* pointer to IWiaItem or IWiaItem2 interface */

Frees the items enumerated by the LWia::EnumChildItems function.

Parameter	Description
pItem	Pointer to a type IWiaItem or IWiaItem2 object(IWiaItem if using WIA Version 1.0, IWiaItem2 if using WIA Version 2.0), that was retrieved through the LWia::EnumItemsCallBack when the device's child items were enumerated.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

This feature is available in LEADTOOLS version 16 or higher.

It is the user's responsibility to free the items enumerated by the LWia::EnumChildItems function through the LWia::EnumItemsCallBack function. To do so, call the LWia::FreeItem function for each item enumerated through the callback mentioned above.

Note:

This function is called internally by LWia::AcquireSimple.

Required DLLs and Libraries

LTWIA

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Functions:	LWia::EnumChildItems, LWia::GetRootItem, LWia::EnumItemsCallBack, LWia::InitSession, LWia::EndSession, Class Members
Topics:	Managing WIA Sources
	WIA Functionality: Property Functions