wia Questions

4

Solved

I have a Brother mutlifunction networked printer/scanner/fax (model MFC-9140CDN). I am trying to use the following code with WIA, to retrieve items scanned in with the document feeder: const int F...
Except asked 14/12, 2014 at 19:25

2

I need to create a virtual webcam that poses as a webcam, but takes as input a set of images that it plays. I have seen solutions like ManyCam, and Fake Webcam, but they all seem to one limitation ...
Accessible asked 5/6, 2011 at 15:37

1

I am trying to scan a few pages from the feeder, although the scanner automatically scans all the pages when I call ShowTransfer function (without using a loop), I am getting back only the first pa...
Communard asked 24/2, 2020 at 7:40

8

Solved

I wrote a simple scanning code using WIA. I don't have a scanner device so I can't test it. Can I simulate a WIA device to testing it ?
Whitefish asked 31/5, 2010 at 1:48

0

I'm using WIA on C#. When I set the properties "pages" to 1 and "docuemnt handling select" to 5 (to enable AFD and Duplex scaning), I get an exception at the method "wiaCommonDialog.ShowTransfer". ...
Mcatee asked 27/11, 2018 at 20:17

7

I'm trying to use WIA (Microsoft Windows Image Acquisition Library v2.0) to build a C# 3.5 WinForms app in VS2008 running on a Vista rig to aquire images from a scanner. I know there are plenty of...
Bounder asked 10/3, 2010 at 1:29

4

Is there a wrapper class somewhere for WIA/TWAIN functionality in a C# application? Every search I make points to the same old 2001 CodeProject page, there has to be something new out there...
Oswaldooswalt asked 1/12, 2010 at 2:28

2

I'm trying to scan multiple pages using a scanner which has an automatic feeder. My code is very simple at the moment: WIA.CommonDialog dialog = new WIA.CommonDialog(); WIA.Device device = dialog....
Gradey asked 22/9, 2015 at 4:44

1

Since Vista, Windows is shipped with WIA 2.0 (wiaaut.dll). According to the following KB article and many of my findings on various forums, duplex scanning is no longer possible using WIA 2.0. Yet...
Catherincatherina asked 9/6, 2015 at 22:25

4

Solved

I have been tasked with integrating image acquisition into a .NET application and I have been looking for an API to use for performing this function. I have come across several "standard" API...
Sambar asked 23/3, 2010 at 17:44

3

Solved

I'm using WIA to capture an image fron the scanner to the windows form. Here is the code I'm using: private void button2_Click(object sender, EventArgs e) { const string wiaFormatJPEG = "{B96B3CA...
Vivl asked 18/11, 2010 at 21:9

0

I am trying to use WIA for scanning and am running into a little trouble. I am using the CommonDialog.ShowAcquisitionWizard method as documented on MSDN. The problem is, there is no object returned...
Customable asked 20/7, 2014 at 18:54

3

Solved

I'm building a .Net 4.0 application for remote control of a scanner device. I have tried both TWAIN and WIA libraries, but I have the same problem. Scanning images without scanner selection and sca...
Begone asked 25/3, 2011 at 10:28

3

I try to take a picture from a webcam with WIA 2.0, C#, .net 4.0 on Windows 7. I tried many different samples, but nothing works. I always get this Exception: "ComException was unhandled" Exception...
Incorruptible asked 29/4, 2011 at 9:14

2

Solved

I'm hoping someone has come across this - I'm trying to capture images from a document scanner using WIA, however on random machines when attempting to transfer the image result - WIA reports "The ...
Riata asked 25/5, 2011 at 7:46

4

I know that you can use WIA from .net ecosystem without (too) much hassle, but I've found using WIA this way, well, at least erratic. I've seen my code behave perfectly to not working at all to som...
Unearthly asked 17/3, 2011 at 16:10

1

Solved

I am working on an application(Java Applet) that interacts with scanner. I understand I need a Twain library or WIA library to make it work in windows. But I am not sure what are the differen...
Redwood asked 9/4, 2013 at 3:59

2

Hello I am using GDI+ to do some image processing. I am having it run from the command line with two arguments. The reason for this is the program is being called from VBA Excel 2007. A Open file d...
Pit asked 18/6, 2011 at 7:36

1

Solved

I have created a WIA Wrapper, which I beleive will be usefull for some people. It's still in development stages, but it all works besides the fact that the HasNextPage method does not work. I have ...
Nitriding asked 1/1, 2012 at 13:26

1

Solved

WIA Scanning via Feeder Here is my device properties: Document Handling Select = 1 (2 is for flatbed, and 1 is for the feeder.) Here is my item (page) properties: Horizontal Resolution = 150 V...
Acima asked 16/8, 2011 at 10:51

1

I am developing an aplication with C# to use the WIA 2.0 library. At the moment I could use most of the features, such as ADF (auto document feeder), filters and more. Now, I need to use the duple...
Dissimilation asked 27/10, 2010 at 10:12

5

Solved

I want to implement a paperless filing system and was looking to use WIA with C# for the image acquisition. There are quite a few sample projects on CodeProject, etc. However, after downloading eve...
Isoline asked 12/8, 2008 at 15:28

2

Solved

Using C# (VS2008) and WIA - scanning to TIFF format; When I use the scanner for 1 page on the flatbed or document feeder the method executes without any problem. When I load multiple forms into th...
Cheadle asked 10/4, 2010 at 21:52

1

Solved

I've found plenty of posts discussing WIA, Windows Portable Devices API and DirectShow (and giving example code) for accessing a webcam from C# but when you research each method you seem to come ac...
Juvenilia asked 25/5, 2011 at 12:45

2

I'm having WIA 2.0 problems on Windows 7. On windows XP with wia 2.0 (version from Windows 7 everything works ok) One device, HP ScanJet 7650 refuses to have its scanning resolution set to anythin...
Emissivity asked 17/9, 2010 at 6:20

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