Search found 4 matches

by gdptester
Mon Dec 09, 2013 5:38 pm
Forum: TWAIN & WIA Acquisition
Topic: WiaEnableDuplex
Replies: 7
Views: 3312

Re: WiaEnableDuplex

Hi Sami, if Windows Fax and Scan can scan Duplex with WIA on the same scanner, the bug has to be either in GdPicture or in my code. Is there any sample code for WiaEnableDuplex available? My code only acquires the front page: ... oGdPictureImaging.WiaEnableDuplex(true); do { ImageID = oGdPictureImag...
by gdptester
Thu Dec 05, 2013 2:41 pm
Forum: TWAIN & WIA Acquisition
Topic: WiaEnableDuplex
Replies: 7
Views: 3312

Re: WiaEnableDuplex

Hi, Unfortunately, I have to implement a running solution for both Twain and Wia. I have tried this: if(oGdPictureImaging.WiaIsDuplexAvailable()) if(oGdPictureImaging.WiaIsDuplexEnabled() == false) if(oGdPictureImaging.WiaEnableDuplex(true) == false) rc = (int) oGdPictureImaging.WiaGetLastError(); e...
by gdptester
Thu Dec 05, 2013 12:32 pm
Forum: TWAIN & WIA Acquisition
Topic: WiaEnableDuplex
Replies: 7
Views: 3312

Re: WiaEnableDuplex

Hi Sami, the result of WiaEnableDuplex is true and WiaGetLastError returns WIA_OK. The Problem is that WiaAcquireToGdPictureImage() only acquires the front side. The same scanner (Kodak i1120) can scan Duplex with GdPicture Twain and with Windows Fax&Scan also Duplex is possible with this Scanner us...
by gdptester
Tue Dec 03, 2013 5:57 pm
Forum: TWAIN & WIA Acquisition
Topic: WiaEnableDuplex
Replies: 7
Views: 3312

WiaEnableDuplex

Hi, how can I enable the Wia Duplex Scan? I have tried the following code without success: ... oGdPictureImaging.WiaEnableDuplex(true); oGdPictureImaging.WiaSelectFeeder(true); do { ImageID = oGdPictureImaging.WiaAcquireToGdPictureImage(); if (ImageID != 0) ... Thank you!