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Questions tagged [twain]

TWAIN is a standard software protocol and applications programming interface (API) that regulates communication between software applications and imaging devices such as scanners and digital cameras.

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Is there any way to get the list of connected scanners from a client side LAN (Using Javascript) in an MVC application?

We are working on an MVC application to scan the document from a twain direct based scanner which is installed in a LAN. For the discovery of connected scanners, we are using Bonjour which exposes the list of scanners. The scanner (twain direct)…
Deepak Anmol
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Python libinsane in Windows

I'm currently trying to have libinsane working on python (2.7 or 3.4) on Windows 10. Following instruction from official doc (https://doc.openpaper.work/libinsane/latest/libinsane/install.html), I've successfully build a 64b version. But, I'm not…
Kev
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How best to interact with peripheral from browser

This may be a very elementary question, I apologize in advance. I need to interact with a device from a web app. More specifically a twain device. Currently I use a signed java applet for this. It generally works well; the signed applet works on…
Andrew
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Using NTwain nuget package in 64-bit

I found here a tutorial for using NTWain to scan documents in C# WPF. I tried the solution in an empty projet x86, it works good. Now I'm tried to use this solution in my x64 project. First I had trouble with twainDSM.dll, so I downloaded the x64…
A.Pissicat
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How to access a digital camera on .NET

We're interested in accessing a digital camera from a .NET application, i.e., the users makes some photos, then connects the camera to a computer and automatically the system imports the photos and make some related questions. What's the best way to…
eudemo
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Application for scanning picture

How to implement Twain OCX in VB.NET project for scanning or loading pictures?
milicat
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Browser based document scanning

I am building a browser based application for document scanning. I have looked at offerings from multiple providers like dynamosoft, asprise, atalasoft etc. My basic question on browser based document scanning is that does any of these products…
Gaurav
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Showing Image Acquisition's Device Interface

I'm using TWAIN 2.1, to connect to Scanner, let user change any option, and wait for input, the problem whenever the scanner interface shows, the cursor still give indication about certain loop, or working,,, this is the following code: HWND…
mabuzer
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TWAIN blocks when user cancels

I'm using a slightly modified version of Twain Dot Net in my scanning application. The problem is, when the user cancels scanning using a button on the scanner (or if paper jams), TWAIN should show an error message and return with some failure…
svick
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How to get Twain DataSource file (*.ds) on Linux

My goal is make same code works on Win7_64 and Linux(Centos 7_64) for scanner(using TWAIN). I am coding on C++ Qt. My programm works fine on Win7_64, but when I tried to launch it on Linux; I found that DataSource Manager couldn't find DataSource.…
Kaiserovich
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Duplex Scanning Failure Using Twain API for Epson DS-510

I want to scan a document using Twain Library for Epson DS-510 scanner using C# application, but it only scans one side. The scanner supports both side scanning of a page, and it's tested using the scanner scan feature, but it doesn't do scan with…
Muzzy B.
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AccessViolationException when we use twain_32.dll for scanning in windows 8.1

I have an application which communicates with scanner and gets the image , it is working fine till windows 7 but it is failing in windows 8.1, we use twain(twain_32.dll) library for scanning purpose, Kindly help me
bheem prakash
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Is there anyway to install twain module in python 3

I want to install the Python TWAIN module in Python 3. But in the docs it says: Python versions 2.1 through 2.5 are supported. Can I convert it using 2to3?
Cahit Yıldırım
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How to kill jni process which derived from java

I want to connect sharp network scanner using morena api and twain. Everything is ok if scanner is reachable but when scanner is not reachable, jni library opens a select scanner window. I think it is twain ds screen, I want to disable this screen.…
maskapsiz
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How do I use Java with the Google Chrome browser

I implemented Scanner application using Twain jar to acquire the image. now it is working fine with chrome browser but i have seen that after chrome 45 version the plugin would not support with java. is there any alternative way to solve this…
Sthogari
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