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The free download is not restricted by features or a time period. It will simply impose a DEMO graphics over each scanned page. So feel free to evaluate our product thoroughly before purchasing a license.

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.NET

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Version: 1.3.5.0 | File Size: 2.7 MB

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.NET Framework: supported from 2.0 up to 4.8

NUGET INSTALLATION

Run the following command in the Package Manager Console:

> Install-Package TwainScanning

CORE

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DOWNLOAD A FREE DEMO!

Version: 1.3.5.0 | File Size: 3.2 MB

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* Due to Win32 API dependencies, Core version works only on Windows OS and minimum requirement is Core 3.1

NUGET INSTALLATION

Run the following command in the Package Manager Console:

> Install-Package TwainScanningCore

The product is packaged as a DLL library, so no installation is needed. Just reference it in your .NET project. If you wish to remove it, just delete the reference from your .NET project and delete the downloaded files.

Latest Release - Minor Update (1.3.5.0)

FEATURES

- Standardized terminology related to transfer mechanisms
- Clarified messages for several condition codes in BadRcTwainException
- Improved written PDF metadata
- Improved XML documentation
- Improved logging logic
- Bridgex86 - Added support for PDF protection when scanning to it
- Bridgex86 - Added IsDeviceCached method for checking if the specified device is cached to improve performance

BUG FIXES

- Fixed issue where explicitly set TIFF compression was being ignored for black and white images
- Bridgex86 - Improved caching logic and performance

Show all releases

Releases

Minor Release 1 (1.3.5.0)

09/26/2023

Minor Release 1 (1.3.4.0)

11/25/2022

Minor Release 1 (1.3.3.0)

11/21/2022

Minor Release 1 (1.3.2.0)

11/17/2022

Minor Release 1 (1.3.1.0)

07/08/2022

Major Release 1 (1.3.0.0)

07/06/2022

Minor Release 1 (1.2.3.0)

03/18/2022

Minor Release 1 (1.2.2.0)

03/14/2022

Minor Release 1 (1.2.1.0)

02/16/2022

Major Release 1 (1.2.0.0)

11/11/2021

Minor Release 1 (1.1.1.5)

12/04/2018

Minor Release 1 (1.1.0.11)

01/12/2018

Minor Release 1 (1.1.0.6)

5/23/2017

Minor Release 1 (1.0.0.10)

03/30/2017

Minor Release 1 (1.0.0.4)

2/3/2017

Major Release 1 (1.0.0.0)

1/10/2017

Minor (1.3.5.0)

09/26/2023

FEATURES

- Standardized terminology related to transfer mechanisms
- Clarified messages for several condition codes in BadRcTwainException
- Improved written PDF metadata
- Improved XML documentation
- Improved logging logic
- Bridgex86 - Added support for PDF protection when scanning to it
- Bridgex86 - Added IsDeviceCached method for checking if the specified device is cached to improve performance

BUG FIXES

- Fixed issue where explicitly set TIFF compression was being ignored for black and white images
- Bridgex86 - Improved caching logic and performance

Minor (1.3.4.0)

11/25/2022

BUG FIXES

- Bridgex86 - Fixed obtaining default device and list of all devices when the default device is unreachable

Minor (1.3.3.0)

11/21/2022

BUG FIXES

- Fixed handling of invalid resolutions used for scan results

Minor (1.3.2.0)

11/17/2022

FEATURES

- Improved and optimized logging logic

Minor (1.3.1.0)

07/08/2022

BUG FIXES

- Bridgex86 - Fixed file save issue not being reported when non-existing path specified

Major (1.3.0.0)

07/06/2022

FEATURES

- Added Bridgex86 for scanning with 32-bit drivers in 64-bit applications

BUG FIXES

- Fixed scan issue where setting DataSource.Settings.Transfer.ImageCount would not limit the number of scanned images

Minor (1.2.3.0)

03/18/2022

FEATURES

- Added additional permissions for PDF protection upon scanning

Minor (1.2.2.0)

03/14/2022

FEATURES

- Added option to protect PDF with encryption and permissions upon scanning

Minor (1.2.1.0)

02/16/2022

FEATURES

- Improved compatibility with .NET 6
- Added option to cancel scanning

Major (1.2.0.0)

11/11/2021

FEATURES

- Retrieval of Extended Image Information now supported
- Interface changed: SetFileNameForFileTransfer and SetFileFormatForFileTransfer methods are removed, replaced by SetupFileTransferParams
- .NET Core now supported with TwainScanningCore

BUG FIXES

- Fixed issue when trying to set an empty array to disable DoublefeedDetection
- Fixed issue with managing TIFF protocol
- Fixed issue with TIFF dispose with certain criteria
- Resolved issue with file transfer Tiff format
- Resolved issue with PDF/Tiff page size
- Fixed memory leaks in PDF/TIFF
- Resolved issue with Tiff grayscale images
- Enforced stop scanning after specified number of images acquired

Minor (1.1.1.5)

12/04/2018

FEATURES

- interface changed: SetFileNameForFileTransfer and SetFileFormatForFileTransfer methods are removed,
replaced by SetupFileTransferParams which takes two additional parameters
TwFF fileFormat and boolean scanToSameFile which indicates that all scanned images in the same job
should be stored in the same file (multipage tiff for example).

BUG FIXES

- Palette in multipage TIFF and PDF was not preserved
- Fixed memory leak in pdf
- Enforce stop scanning after specified number of images acquired
- Resolved issue with PDF/Tiff page size
- Resolved issue with file transfer Tiff format
- Resolved issue with image BW pixel format

Minor (1.1.0.11)

01/12/2018

BUG FIXES

- Fixed bug: On the ImageCollectorPdf which is constructed with "closeStreamAfterFinish=false" stream was closed anyway
- Fixed bug with PDFCollector (Out of Memory)
- Fixed crash when scanner reports incorrect TWTY for given capability

Minor (1.1.0.6)

5/23/2017

BUG FIXES

- Minor bug fixes

Minor (1.0.0.10)

03/30/2017

FEATURES

- Added multiple bit depth support for Tiff images
- Improved stability of Twain scanning examples

Minor (1.0.0.4)

2/3/2017

FEATURES

- Added Visual Basic .net examples

Major (1.0.0.0)

1/10/2017

FEATURES

Initial release
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Evaluate the product

Our free demo of TwainScanning.NET offers the same functionalities as the full version. You can test its compatibility with your application and evaluate its features before making a final decision to purchase the license.

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One time payment

You are under no obligation whatsoever to make a purchase after downloading the demo version. However, if you do decide to purchase the full license eventually, you should know that the price of the product is a one-time payment with no recurring costs.

What is included in the TWAINScanning.NET license?

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FREE CUSTOMER SUPPORT

The license comes with one year free customer support. Our in-house team of developers handles all inquiries.

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FREE SOFTWARE UPDATES

The license also comes with one year free updates. You don't need to worry about your TWAIN scanning library being up to date!

Read TWAINScanning.NET reference

REFERENCE

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