SyntaxEditor is a text editing control that is packed with features for efficient code editing, including syntax highlighting, code outlining, parsing, line numbers, block selection, IntelliPrompt UI, split views, single-line mode and custom languages. It has many of the same code editing features found in the Visual Studio code editor.

Key features:

• Author custom language definitions, with over 20 free definitions included.
• Multi-threaded parsing capabilities, with support for code fragments.
• A grammar-based parser framework with AST generation and error reporting.
• IntelliPrompt completion lists, parameter info, quick info, code snippets and smart tags.
• Over 100 built-in edit actions like selection, indenting and transposition.
• Customisable highlighting styles.
• Bracket highlighting, indentation guides, content dividers and column guides.
• FontDropDownList and TextStylePreview controls.
• Tokenisation of text via lexers.
• User margin for custom drawing.
• Optional single-line edit mode.
• Scrollbar visibility options.