LPFNIG_TWAIN_AFTER

This callback, if registered, will be called by ImageGear after all the pages of a document have been scanned, processed and/or saved.

Declaration:

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typedef LONG (LPACCUAPI LPFNIG_TWAIN_AFTER_DOC)( LONG nPageCount, LONG nADFLoaded, LPVOID lpData );

Name	Type	Description
nPageCount	LONG	The number of pages that were scanned into one document.
nADFLoaded	LONG	Returns the status of the paper supply in the ADF (if an ADF is being used). The following values can be returned: 0 - ADF is empty. 1 - ADF still contains paper. -1 - TWAIN does not know whether or not the ADF contains paper (i.e., an error occurred).
lpData	LPVOID	A far pointer to private data, as specified in your call to IG_TWAIN_CB_register() function.

Name

Type

Description

nPageCount

LONG

The number of pages that were scanned into one document.

nADFLoaded

LONG

Returns the status of the paper supply in the ADF (if an ADF is being used). The following values can be returned:

0 - ADF is empty.
1 - ADF still contains paper.
-1 - TWAIN does not know whether or not the ADF contains paper (i.e., an error occurred).

lpData

LPVOID

A far pointer to private data, as specified in your call to IG_TWAIN_CB_register() function.

Set the return value to 0 to return control to ImageGear.

Indexed RGB – 1, 4, 8 bpp;
RGB – 24 bpp;
CMYK – 32 bpp;
Gray – 12, 16 bpp.

This callback allows you to find out how many pages have been scanned so far, and the status of the paper availability in the ADF.