It is designed for Windows Forms. To use in WPF, you must use WindowsFormsHost .
To help you get started with the right version, are you using: (WinForms) NET 6/7+ ? FastColoredTextBox.dll
// Example: Configuring the textbox in code fctb = new FastColoredTextBox(); fctb.Language = Language.CSharp; fctb.Text = "public class Test {}"; fctb.SyntaxHighlightStyle = SyntaxHighlightStyle.Css; // Optional styling Controls.Add(fctb); Use code with caution. Copied to clipboard It is designed for Windows Forms
Ensure the FastColoredTextBox.dll is present in your project's bin/Debug or bin/Release folder, or re-install via NuGet. // Example: Configuring the textbox in code fctb
The FastColoredTextBox.dll is a specialized .NET Windows Forms text box control used for syntax highlighting, code folding, and large text editing, commonly utilized in script editors, IDEs, and code-related projects. Here is the complete information regarding the component:
Includes Undo/Redo, WordWrap, and Find/Replace. How to Use It (Implementation)