LTwain::AcquireCallBack

#include "ltwrappr.h"

virtual L_VOID LTwain::AcquireCallBack (nPage, pszFileName, bFinishScan)

L_INT nPage;

page number

L_TCHAR * pszFileName;

file name

L_BOOL bFinishScan;

flag to determine if the scanning status

Called twice for each page scanned using LTwain::AcquireMulti or LTwain::FastAcquire.

Parameter Description
nPage Number of the page being acquired
pszFileName Character string containing the name of the file in which to save the scanned image(s).
bFinishScan Flag that indicates the scanning status. Possible values are:
  Value Meaning
  TRUE Scanning of the page has finished.
  FALSE Scanning of the page has just started.

Returns

None.

Comments

This callback function will be enabled only if you enabled the callback functions by calling ;LBase::EnableCallBack.

This callback will be called two times. The callback is called the first time when the Twain source begins scanning the page. The callback is called the second time when the Twain source has finished scanning the page.

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.

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