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How to Scan Documents with your WPF Application

by Dynamsoft

In this article, I’ll share with you how to utilize Dynamic .NET TWAIN in a WPF application to process your documents.

Expand Microsoft SharePoint to Create the Ultimate Document Management Solution

by Dynamsoft

In this article, we will see how to use Dynamic Web TWAIN to acquire, edit images, and upload them to Microsoft SharePoint.

Webcam & Scanners: Capture Images from Your Browser with Dynamsoft

by Dynamsoft

Get the solution to integrate Image Grab in one web application. Achieve the most comprehensive compatibility and acquiring images from devices including webcams, scanners and capture cards.

Scan Barcode from a Webcam in a WinForm/WPF Application

by Rachel Jia

Embed Dynamic .NET TWAIN to your .NET application. Capture images from your webcams and read the barcode information.

Latest Articles

TWAINComm - A C# TWAIN Communications Library

by Ryan.McD

An explanation of TWAIN basics

HTML5 Web Scanning with LEADTOOLS

by LEADTOOLS Support

In this whitepaper, we will explore the inner-workings of this innovative framework and highlight how developers can write just a few lines of code to extend and customize it for their application.

Use Dynamsoft to Store and Retrieve Scanned Images from SQL Server in ASP.NET

by Dynamsoft

In this article, we will illustrate how to use document scan features in an ASP.NET web application to save scanned files as PDFs to an SQL Server database. We’ll also cover retrieval of image files and their display within your ASP.NET web page.

Scan and Save Images to a Database in C# Using Dynamic .NET TWAIN

by Dynamsoft

Scan and Save Images to a Database in C# Using Dynamic .NET TWAIN

All Articles

TWAIN

How to Scan Documents with your WPF Application

7 Sep 2012 by Dynamsoft

In this article, I’ll share with you how to utilize Dynamic .NET TWAIN in a WPF application to process your documents.

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Expand Microsoft SharePoint to Create the Ultimate Document Management Solution

17 Aug 2012 by Dynamsoft

In this article, we will see how to use Dynamic Web TWAIN to acquire, edit images, and upload them to Microsoft SharePoint.

twain ocr function returns empty byte

30 Jun 2014 by Xiao Ling

change Me.dynamicDotNetTwain1.OCRLanguage = "English" to Me.dynamicDotNetTwain1.OCRLanguage = "eng"

Webcam & Scanners: Capture Images from Your Browser with Dynamsoft

28 Sep 2012 by Dynamsoft

Get the solution to integrate Image Grab in one web application. Achieve the most comprehensive compatibility and acquiring images from devices including webcams, scanners and capture cards.

Scan Barcode from a Webcam in a WinForm/WPF Application

5 Nov 2012 by Rachel Jia

Embed Dynamic .NET TWAIN to your .NET application. Capture images from your webcams and read the barcode information.

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Webcam in C#: Easiest Way to Capture Images from Your Webcams

6 Nov 2012 by Rachel Jia

Get the solution to integrate Image Grab from webcams in a .NET application. Achieve the functionality in just a few lines of code.

Control Scanners & Webcams in JavaScript

11 Jan 2013 by Dynamsoft

Control Scanners & Webcams in JavaScript.

Image Scanning & Uploading in Web App

17 Jan 2013 by Dynamsoft

Image Scanning & Uploading in Web App

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Take a Photo from a Desktop Webcam and Upload in a Web Browser with Dynamsoft

21 Jan 2013 by Dynamsoft

Control web cameras or the built-in laptop webcams inside IE, Firefox and Chrome with JavaScript.

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OCR Documents in .NET

21 Jan 2013 by Dynamsoft

OCR Documents in .NET.

Upload Scanned Images Multithreaded & Async in JS

15 Mar 2013 by Dynamsoft

The article will show you how to increase the efficiency of image uploading/downloading by embedding ImageCapture Suite.

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How to make ActiveX work with IE Protected Mode?

26 Apr 2013 by Dynamsoft

This article talks about how to use Dynamic Web TWAIN ActiveX control with Internet Explorer Protected Mode.

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Develop a Cross-Platform Document Imaging Web App

23 May 2013 by Dynamsoft

The article will show you how to develop a cross-platform document imaging solution that works with all mainstream browsers by using ImageCapture Suite.

Reading Barcodes from an Image in a Web App

3 Jun 2013 by Dynamsoft

This article will show you how to decode barcodes from an image captured or scanned in a web application with the help of ImageCapture Suite.

Scan and Upload Documents in ASP.NET MVC App using Dynamic Web TWAIN

10 Jul 2013 by Dynamsoft

This article will show you how to scan and upload documents in an ASP.NET Model View Controller (MVC) 3 web application. We will be using the Dynamic Web TWAIN scanning SDK which is well used to expedite development and deployment of such an application.

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Please kindly suggest Scanner TWAIN Web based free license for .NET Web Application

11 Jul 2013 by jatu_p

Hi,Please kindly suggest me Scanner TWAIN Web based free license for .NET Web Application.I try to find it. I found only TwainX, but it work only IE not Chrome.Thank you and Regards:)

Please kindly suggest Scanner TWAIN Web based free license for .NET Web Application

11 Jul 2013 by Stephen Hewison

The problem you have here, is that browsers operate in a sand box which for very good security reasons aren't granted access to your hardware APIs.The reason TwainX will work in IE is because IE supports ActiveX. This is a technology which will allow a website to construct a bridge, if you...

Please kindly suggest Scanner TWAIN Web based free license for .NET Web Application

11 Jul 2013 by lewax00

From a web page? You can't...at least not with HTML/JS-based pages.It can be done with Silverlight however (I don't know how exactly, but we have a program that does it - obviously I can't post the code here). Specifically, you could add a Silverlight control to your page to support it, so...

Scan and Save Images to a Database in C# Using Dynamic .NET TWAIN

12 Sep 2013 by Dynamsoft

Scan and Save Images to a Database in C# Using Dynamic .NET TWAIN

Use Dynamsoft to Store and Retrieve Scanned Images from SQL Server in ASP.NET

11 Nov 2013 by Dynamsoft

In this article, we will illustrate how to use document scan features in an ASP.NET web application to save scanned files as PDFs to an SQL Server database. We’ll also cover retrieval of image files and their display within your ASP.NET web page.

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Application TWAIN or WIA driver for a canon camera PowerShot A 400

2 Jan 2014 by Nelek

I am sorry, but as it seems http://canon.driversdown.com/search.asp?Page=5&action=q&catalog=&keyword=PowerShot+A+4000[^] or in http://canon.driversdown.com/search.asp?Page=1&action=q&catalog=&keyword=PowerShot+A+400[^] win 7 is not supported for the A400

.NET TWAIN image scanner Not Scaning

11 May 2014 by Rachel Jia

Please make sure the TWAIN souroce was closed successfully before you try to open the source and scan again.

twain ocr function returns empty byte

30 Jun 2014 by Jocelyne El Khoury

i have the below code: ddlResultFormat.Items.Add("Text") dynamicDotNetTwain1.LoadImage("C:\Users\elj\Desktop\3b072e9b-76b4-4776-bd3c-5984074d8ecd.png") Dim r = dynamicDotNetTwain1.GetImage(dynamicDotNetTwain1.CurrentImageIndexInBuffer).Width.ToString() Dim l =...

twain ocr function returns empty byte

30 Jun 2014 by Bernhard Hiller

Not sure, but that looks promissing:dynamicDotNetTwain1.CurrentImageIndexInBuffer in the top lines vs. dynamicDotNetTwain1.CurrentSelectedImageIndicesInBuffer in the last line.

How to scan a multipage document using twain

11 Jan 2015 by Rachel Jia

You may check out the samples here[^] on how to scan multiple pages with ADF and save the images to a multi-page tif. It uses a 3rd party .NET TWAIN SDK.

HTML5 Web Scanning with LEADTOOLS

2 Mar 2015 by LEADTOOLS Support

In this whitepaper, we will explore the inner-workings of this innovative framework and highlight how developers can write just a few lines of code to extend and customize it for their application.

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how to get device name using twain in vb.net?

3 May 2015 by lakshjoshi

how to get device name using twain in vb.net her is my code but its not working.....Dim N As Long Dim i As Long N = AxTwain1.DeviceCount If N > 0 Then ComboBox1.Items.Clear() For i = 1 To N ' Note use of get_ prefix for...

how to get device name using twain in vb.net?

1 Jun 2015 by Xiao Ling

You code is incorrect. First, if N > 0, the index i should start from 0, not 1. Second, you should move ComboBox1.Items.Add("No TWAIN devices found") to else clause. Here is how I changed your code logic with Dynamic .NET TWAIN SDK[^]:dynamicDotNetTwain.OpenSourceManager() Dim N As...

Twain driver scanner integration in wondows 8.1

20 Jun 2015 by SaurabhSavaliya

We have tried to fetch images from Twain compatible scanner to scan documents and store direct into our application. It works for us until Microsoft gives update of Windows 8.1.Has anybody idea to get scanned images from Twain compatible scanner?

Twain driver scanner integration in wondows 8.1

12 Jul 2015 by Rachel Jia

What scanner are you using? You can check with the vendor of your scanner and see if they provide a TWAIN driver for Windows 8.1.

Does twain_32.dll supported by .NET framework 3.5 ?

13 Aug 2018 by Member 13930921

i need to run twain_32.dll lib using Windows Form Application have platform Any CPU and .net Framework 3.5 What I have tried: i have tried WIA lib but it is only working with scanners using wire that what works for me

Is there any component that I can visually crop picture with free shape marquee and save the result?

27 Feb 2020 by Member 2693183

I am trying to find .net component so I can visually crop scanned picture and save the result. Anyone know if there is such a component, free or not free? I would call such a component from old visual basic 6.0. project. it doesn't have to be...

Convert forms to API C#

29 Nov 2020 by htanmsa id

I am trying to convert c# forums application to a windows service api so that I can interact from browser. .NET TWAIN image scanner[^] I am complete beginner in c# and twain technology so I want to first rewrite the library in c# console then...

Convert forms to API C#

29 Nov 2020 by honey the codewitch

I don't think you can use TWAIN without a window. You're going to run into that problem in the console and the service. You won't be able to use windows forms but you could P/invoke CreateWindow/CreateWindowEx from User32.dll and perhaps use...

TWAIN without UI in C#

9 Feb 2022 by neticous

Set CAP_INDICATORS and TW_USERINTERFACE.ShowUI to false.

TWAINComm - A C# TWAIN Communications Library

13 May 2015 by Ryan.McD

An explanation of TWAIN basics

How to save scan document from a scanner?

22 Sep 2013 by Rachel Jia

Using a third party TWAIN SDK can help you complete the project much faster. Check out this article on how to use Dynamic .NET TWAIN SDK to scan and upload documents.Scan and Save Images to a Database in C# Using Dynamic .NET TWAIN[^]

TWAIN without UI in C#

7 Nov 2012 by Member 9445399

Hi All.Hoping you can help.I'm using Twirl to create custom aettings for a scanner I am using. Once the driver is created I want to be able to incorporate it into an application (C#) without using the default UI.Basically all the settings are done, I do not want users playing...