Actipro SyntaxEditor for WinForms

Actipro SoftwareCode Editors.NET
Version 25.1.2 (Mar 13, 2026)(2)

A versatile code editor control with advanced syntax highlighting and IntelliPrompt features.

  • Supports syntax highlighting for over 25 programming languages and custom languages.
  • Includes advanced editing capabilities like multiple carets, block selection, and code outlining.
  • Offers extensible parsing framework and rich IntelliPrompt user interface elements.
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Feature-rich syntax-highlighting code editor control with optional Intellisense for C# and VB.
Actipro SyntaxEditor for WinForms provides a feature-rich coding environment similar to Visual Studio's editor. It supports syntax highlighting, customizable language definitions, multiline editing, code outlining, and IntelliPrompt completion to enhance coding productivity within integrated development environments and other applications.

Advanced Syntax Highlighting

SyntaxEditor highlights code using a classification mechanism with customizable themes and supports over 25 built-in languages plus the ability to define custom languages.

Powerful Editing Capabilities

Features include multiple carets and selections for simultaneous edits, block selection, undo/redo with batch replace, line modification tracking, and robust clipboard and drag/drop support.

Code Outlining and Folding

Users can collapse or expand sections of code via outlining nodes or regions, supported by customizable outlining options and visual indicators.

Integrated Parsing Framework

Extensible text and parsing architecture supports multi-threaded lexing/parsing with snapshot versioning, enabling syntax error detection, AST construction, and advanced language services.

Rich IntelliPrompt UI

Completion lists with filtering, quick info tips, parameter info, code snippets, and navigable symbol selectors help users write code efficiently and accurately.

Customizable Editor Views

Multiple horizontal split views, line numbers, margins, current line and delimiter highlighting, whitespace display, and scroll acceleration improve the editing experience.

Flexible Searching and Replacing

Supports various search pattern types including regular expressions with in-line highlights and overlay pane integrated with standard editing shortcuts.

Robust Printing Support

WYSIWYG printing with options for document titles, line numbers, page margins, and the ability to create custom print margins.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • .NET

.NET Version

  • .NET 9 STS
  • .NET 8 LTS
  • .NET 7 STS
  • .NET 6 LTS
  • .NET 4.8 or earlier

.NET Platform

  • .NET Assembly
  • .NET Class
  • .NET WinForms

IDE Support

  • Visual Studio