Files to be Included with your Application

Files for redistribution are included in the LEADTOOLS SDK's installation directory for the supported platform.

Legal Notices

Note: You may not copy or redistribute any of the following files without obtaining the proper license. In some cases, the license is included with your initial purchase of LEADTOOLS. In other cases, you must obtain a license from a third party or enter into a royalty agreement with LEAD to obtain the proper license. For these special licensing situations, see the notes below accompanying the specific file.

Note: You may not distribute the header files with your application, and you may not provide software development capabilities in your application.

LTKRN is required for ALL C API applications.

LTKRN and LTWVC are required for ALL C++ Class Library applications.

Note: Most of the LEADTOOLS Windows DLLs are compiled with Visual Studio 2017 and are linked statically to the Microsoft Visual C++ 2017 Runtime.
The Microsoft Visual C++ 2017 Redistributable Package cannot be installed on some versions of Windows. For supported versions, see Choosing a Deployment Method and Update for Universal C Runtime in Windows. The Microsoft Visual C++ 2017 Runtime also requires the Windows Universal CRT library, which is distributed as part of Windows 10. For information on how to redistribute the universal CRT, see Introducing the Universal CRT. Only the following DLLs are compiled with requirements for specific versions of the Microsoft Visual C++ Runtime:

Note: For more information about distributing the Microsoft C/C++ runtime files, refer to:

The following table summarizes the files you must include with your distribution. Most files in the table are optional. These files are referred to as "Redistributables" in the License Agreement.

Redistributables Explanation Win32 Platforms x64 Platforms
Lttwnu.dll Lttwnx.dll
LEADTOOLS supports v1.9 and v2.x of the TWAIN specification.
For more information, refer to Library: Library:
Setting which TWAIN Specification Version To Use. Lttwn_u.lib Lttwn_x.lib
Some scanner drivers are only supported in a 32-bit environment and cannot Also requires the Also requires the
interact with a scanner in a 64-bit process application. LEAD provides the following files following files
LEADTOOLS THUNK utility to work around this limitation. Note that if this whenever the whenever the
utility is used, additional files need to be included with your LEADTOOLS THUNK LEADTOOLS THUNK
application when distributing it. For more information, refer to the utility is being used: utility is being used:
Using the LEADTOOLS THUNK Utility with TWAIN topic.
ltthunkserver.exe (this ltthunkserver.exe (this
must be registered) must be registered)
ltthunkutlu.dll Ltthunkutlx.dll
lttwnthunku.dll lttwnthunku.dll
Lttwnu.dll Lttwnu.dll
Ltkrnu.dll Ltkrnu.dll
Ltfilu.dll Ltfilu.dll
Lfbmpu.dll Lfbmpu.dll
Lfcmpu.dll Lfcmpu.dll
Lfrawu.dll Lfrawu.dll
Lftifu.dll Lftifu.dll

LEADTOOLS SDK Platform and Application-Specific Redistributables

Application-Specific For LEADTOOLS SDK core redistributables requirement of the exact assemblies and libraries to use on a specific platform and application, refer to the Files to be Included.
Application-Java-Specific For LEADTOOLS SDK core redistributables requirement of the exact assemblies and libraries to use on Java platforms and applications, refer to the Files to be Included and Files to be Included with your Java Application.
Assembly Directory For LEADTOOLS SDK installation directory information, refer to Installation Directory.
Licensing For licensing information, refer to LEADTOOLS Runtime Licensing and LEADTOOLS Runtime Licensing FAQ
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.


Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.