multiple transfert with duplex and discard blank page

[Giloser Topics - 0Replies - 0Total Posts - 0]

Hi,

I made work my c# WPF application for some times now but I still have some trouble.
I would like to scan faster so I tried to scan all the files at once => that worked and I get all my files

But if I had the duplex and the discard of blank page capabilities my pages finished all mixed up
I have some page alone that should not be and some other that are put together in the tiff but are from 2 separate file.

can some of you help figure that out?

thanks

[markm Topics - 0Replies - 0Total Posts - 0]

I recommend looking at DAT_EXTIMAGEINFO which provides metadata on the images being transferred, including sheet counts and tags indicating which side of a sheet of paper an image comes from. This can be used to determine when blank images have been discarded.

[Giloser Topics - 0Replies - 0Total Posts - 0]

thanks you very much!

unfortunately I have try to get that info but I cannot get the info and make it works.
Should I get it by the DsRaw with an IntPtr? or there is another way?

thanks again!

[markm Topics - 0Replies - 0Total Posts - 0]

The open source TWAIN CS project has an example where it gets the documentcount and the pageside using DatExtImageInfo. You can find the repository here: https://github.com/twain/twain-cs

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