File Content Extraction 26.1
Filter SDK .NET Programming Guide

# filtertestdotnet

The `filtertestdotnet` sample program demonstrates how to use the Filter .NET API.

A Visual Studio project file and the C# source code are in the directory `dotnetapi\sample`.

A compiled executable is provided in the `PLATFORM/test` folder. To use the sample program you must first copy it to the `bin` folder. This sample has an embedded trial license, which expires a few months after release. If you set the environment variable `KV_SAMPLE_PROGRAM_LICENSE_FROM_FILEPATH` to a file path, the sample programs read your license from the specified file. This allows you to use the programs after the embedded trial license has expired, and to test or troubleshoot with your own license.

For help using this program, run the executable file with no arguments. The program prints a help message describing the arguments that you must set.

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: filtertestdotnet