VintaSoft Twain ActiveX - F.A.Q.

Answers to popular questions

This page contains answers to the frequently asked questions about VintaSoft Twain ActiveX. If you have not found an answer to your technical question, please go to the technical support page. If you have not found an answer to your sales question, please go to the general sales information page.

VintaSoft Twain ActiveX is intended for usage in end-user applications for Windows OS.
VintaSoft Twain ActiveX is a software development tool, which provides the ability to communicate with a flatbed scanner, ADF scanner, web and digital camera, or any other compatible with TWAIN specification device driver.
So the product is attributed as a professional software development kit (library, component) meant for the use by persons having base knowledges and skills in programming of software applications. VintaSoft Twain ActiveX Control is the result of careful work of VintaSoft's highly educated staff for many years.

You can use the ActiveX in:

  • MS Visual Studio 6.0 (VB, VC++, VFoxpro)
  • Borland Delphi, Borland C++ Builder
  • MS Visual Studio .NET 2003-2015 (VB.NET, C#.NET, C++.NET)
  • MS Office (Access)
  • Internet Explorer: ASP.NET, PHP, JavaScript, VBScript
  • any languages which support work with ActiveX controls

The ActiveX consists from:
  • Signed ActiveX control (.DLL file) - "[install_path]\Bin\VSTwain.dll" file.
  • Signed compressed archive with ActiveX control (.CAB file) - "[install_path]\Bin\VSTwain.cab" file.
  • ActiveX documentation, which contains User Guide and API Reference. Information about documentation can be found here.
  • Compiled demo applications (EXE files). Files are located in "[install_path]\Bin" folder.
  • Source codes of demo applications. Files are located in "[install_path]\Examples" folder.

The files allowed for distribution are listed in paragraph 4.6 of the License agreement.

After installation of your program onto a "clean" computer, register the TWAIN ActiveX control by regsvr32.exe program (command "regsvr32.exe VSTwain.dll").

Evaluation version of VintaSoft Twain ActiveX Control has the following restrictions:
  • Nag screen.
  • Acquired color image can be saved to a disk or uploaded onto server as BMP file only.
  • Acquired black-white or gray image can be saved to a disk or uploaded to a server in any supported image file format.

Version for registered users does not have limitations.
Information about ActiveX documentation can be found here.

There are 3 ways to subscribe to the newsletter:

  • Subscribe to the newsletter of "Announcements" forums - all releases. Register yourself in VintaSoft Tech Community forums, login and click a tick "Subscribe forum" at the bottom of the forum page which is interesting for you.
  • Purchase a license and stay informed via e-mail directly from VintaSoft Support Service about all releases of licensed product during validity period of annual subscription.
  • Subscribe to VintaSoft's Twitter account and stay informed about all releases along with interesting information about current developments, which goes far beyond the official release data.

Answers to the majority of questions can be found in the documentation or this web site. Please send a message to Customer Support Service to get more help.