In This Topic
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.
SDK features
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General features
- This program is the .NET library completely written in C#
- AnyCPU, x86 and x64 mode support
- Scan documents in .NET, WinForms and WPF
- Scan documents in any modern web browser (Chrome, Firefox, Edge, Internet Explorer, Opera)
- 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(S) or FTP server
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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
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Image scanning
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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 single and multi-page scanning
- Specify the desired format, size, position, orientation, resolution, brightness, contrast of acquired image
- Use the native or buffered memory transfer mode to:
- Use the file transfer mode to acquire image from scanner 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
- Get information about asynchronous events of device
- Use the Dual Stream feature (make some snapshots of each acquired page) of Kodak scanner
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Image processing
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Image saving
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Image uploading
Development and Deployment requirements
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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
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Deployment requirements:
- Microsoft Windows XP, Vista, 7, 8, 8.1, 10 (32-bit and 64-bit)
- Microsoft Windows Server 2003, 2008, 2012, 2016 (32-bit and 64-bit)
- Microsoft .NET Framework: 2.0, 3.0, 3.5, 4.0, 4.5, 4.6, 4.7, 4.8
Online resources
See Also