The ability to scan papers is a common thing for each modern office. Image scanner is a device that optically scans papers and converts them to digital images. TWAIN is a standard that regulates communication between software application and scanner or camera that has a TWAIN device driver called Data Source. VintaSoft Twain .NET SDK is the professional image acquisition library which allows to control flatbed and ADF scanner, web and digital camera, and any other TWAIN compatible device using Microsoft .NET Framework.

General features
Demo application screenshots
This program is the .NET library completely written in C#
AnyCPU, x86 and x64 mode support
Scan documents in .NET, WinForms and WPF - Developer or Site license is necessary
Scan documents in any modern web browser (Chrome, Firefox, Edge, Internet Explorer, Opera) - URL license is necessary
Control any scanner or device compatible with TWAIN 1.x / 2.x specification
Enumerate and select a scanner
Acquire image from scanner
Preprocess acquired image
Save acquired image to a file or database
Upload acquired image to HTTP, HTTPS or FTP server

TWAIN device selection
Enumerate TWAIN devices available in the system
Select the TWAIN device:
Using the standard TWAIN device selection dialog
Using your custom TWAIN device selection dialog
Programmatically from code

Image scanning
Acquire image from scanner:
Using the standard user interface (UI) of scanner
Using your custom user interface
Without user interface
With or without the progress indicator of scanner
With your custom progress indicator - available for the buffered memory transfer mode only
Acquire image asynchronously or acquire image synchronously
Cancel image acquisition
Acquire a black-white, halftone, grayscale, palette or color image
Scan the whole page or page region
Scan front and/or back of page using duplex scanning
Use the automatic document feeder (ADF) for multipage scanning
Specify the desired format, size, position, orientation, resolution, brightness, contrast of acquired image
Use the native or buffered memory transfer mode to:
acquire image as System.Drawing.Bitmap object
acquire image as System.Windows.Media.Imaging.BitmapSource object
Use the file transfer mode to acquire image directly to a file
Control any TWAIN capability supported by device
Retrieve the extended information (page number, page side, barcode, patch code, MICR, etc) about acquired image
Serialize and deserialize the scanner capability settings to XML file
Create predefined session setups for mid- and high-volume scanners
Skip blank pages while scanning
Use the Dual Stream feature (make some snapshots of each acquired page) of Kodak scanner

Development and Deployment requirements

Development requirements:
Development environments: Microsoft Visual Studio .NET 2005, 2008, 2010, 2012, 2013, 2015, 2017
Programming languages: VB.NET, C#, any .NET compatible language
Development platforms: .NET, WinForms, WPF, ASP.NET

Deployment requirements:
Microsoft Windows XP, Vista, 7, 8, 8.1, 10 (32-bit and 64-bit)
Microsoft Windows Server 2003, 2008, 2012 (32-bit and 64-bit)
Microsoft .NET Framework: 2.0, 3.0, 3.5, 4.0, 4.5, 4.6

Only for V.I.P