The project is open-source. You can download the source and build the DLL from the PavelTorgashov/FastColoredTextBox GitHub repository .
Includes Undo/Redo, WordWrap, and Find/Replace. How to Use It (Implementation) FastColoredTextBox.dll
Ensure the FastColoredTextBox.dll is present in your project's bin/Debug or bin/Release folder, or re-install via NuGet. The project is open-source
Due to its common use in script executors, the DLL may sometimes cause false-positive warnings from antivirus software. FastColoredTextBox.dll
DLLs are available from repositories like DLLme or SourceForge . Key Features
Optimized for both small files and very large files.
To help you get started with the right version, are you using: (WinForms) NET 6/7+ ?