I'm looking for a free, syntax-highlighting, possibly autocompleting "Programmer's textbox" style control for use in a Visual Studio Windows Forms or WPF project. It should work with C# and self-defined languages, and the licence should permit its use in a closed, in-house development tool.

CSharpEditor is a C# source code editor control for Avalonia applications. This library provides a control that can be added to Avalonia windows and integrates: The main code editor with search/replace functions and intellisense-like code completion. A panel showing errors in the code. A panel to add/remove assembly references.

C# WinForms code editor with syntax highlighting SA.CodeView is light-weight viewer and editor with syntax highlighting. It can be used as single-line text field or as fully functioned editor. It was initially developed for some application but then was …

Code Editor supports most programming languages and works best for C#, Visual Basic, TypeScript, JavaScript, Python, and XML text editing. WinForms and WPF text edit controls support most of the features of the Visual Studio text editor.

A cross-platform C# editor based on Roslyn and AvalonEdit. You must also install a supported .NET SDK to allow RoslynPad to compile programs. Open the .dmg file and drag RoslynPad to the Applications directory. macOS Sonoma or earlier - …

Offers built-in syntax highlighting and code editing for programming, scripting, and markup languages. Makes code editing easier with IntelliSense, undo and redo, clipboard, code outlining, and more. No credit card required. .NET 9.0 support now available.

Aug 7, 2010 · Also you can check there must be some 3rd party controls. I suggest http://www.codeproject.com/Articles/161871/Fast-Colored-TextBox-for-syntax-highlighting which has a lot of features. Also, encapsulating http://ace.c9.io/#nav=about would be an option depending on your technology stack.

SyntaxEditor comes with syntax highlighting for over 25 languages. The end user can collapse ranges of text defined by the language. A small adornment represents the collapsed text, and …

SyntaxEditor is a powerful 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, custom languages, and much more.

Dec 31, 2014 · It is basically free but cannot be distributed as a component nor using ClickOnce. You can do syntax highlighting and a lot more though. The SharpDevelop IDE is an open source Visual Studio alternative, and its editor provides syntax colouring and autocomplete for C# and other languages.