RoslynPad

A cross-platform C# editor based on Roslyn and AvalonEdit

Installing

You must also install a supported .NET SDK to allow RoslynPad to compile programs.

Source
GitHub
Microsoft Store
winget	winget install --id RoslynPad.RoslynPad

Running on macOS

1. Open the .dmg file and drag RoslynPad to the Applications directory.
2. On the first run:
   • macOS Sonoma or earlier - Right click the app on Finder and select Open. You will be prompted that the app is not signed by a known developer - click Open.
   • macOS Sequoia you must go to Settings > Privacy & Security to approve non-notarized apps after the first run attempt.
   • For more information see Open a Mac app from an unknown developer.

Packages

RoslynPad is also available as NuGet packages which allow you to use Roslyn services and the editor in your own apps.

Code samples

Package Name	Description
RoslynPad.Roslyn	Exposes many Roslyn editor services that are currently internal
RoslynPad.Roslyn.Windows	Provides platform-specific (WPF) implementations for UI elements required by the RoslynPad.Roslyn package
RoslynPad.Roslyn.Avalonia	Provides platform-specific (Avalonia) implementations for UI elements required by the RoslynPad.Roslyn package
RoslynPad.Editor.Windows	Provides a Roslyn-based code editor using AvaloniaEdit (WPF platform) with completion, diagnostics, and quick actions
RoslynPad.Editor.Avalonia	Provides a Roslyn-based code editor using AvalonEdit (Avalonia platform) with completion, diagnostics, and quick actions

Package versions match Roslyn's.

Building

To build the source code, use one of the following:

• dotnet build
• Visual Studio 2022
• Visual Studio Code with the C# Dev Kit extension

Solutions:

• src/RoslynPad.sln - contains all projects (recommended only on Windows)
• src/RoslynPad.Avalonia.sln - contains only cross-platform projects

Features

Completion

Signature Help

Diagnostics

Code Fixes