C# for Visual Studio Code (powered by OmniSharp)
Welcome to the C# extension for Visual Studio Code! This extension provides the following features inside VS Code:
- Lightweight development tools for .NET Core.
- Great C# editing support, including Syntax Highlighting, IntelliSense, Go to Definition, Find All References, etc.
- Debugging support for .NET Core (CoreCLR). NOTE: Mono debugging is not supported. Desktop CLR debugging has limited support.
- Support for project.json and csproj projects on Windows, macOS and Linux.
The C# extension is powered by OmniSharp.
Get Started Writing C# in VS Code
What's new in 1.21.18
What's new in 1.21.17
- Updated Razor support (PR:#3696)
- Razor support for
<text> tag completions.
- Ability to restart the Razor Language Server to activate changes to the
- Bug fixes and performance improvements.
- Support for
<RunAnalyzers /> and
<RunAnalyzersDuringLiveAnalysis /> (PR: omnisharp-roslyn/#1739)
typeparam documentation comments to text description (#3516, PR: omnisharp-roslyn/#1749)
#region blocks appropriately in the block structure service (#2621, PR: omnisharp-roslyn/#1748)
What's new in 1.21.16
What's new in 1.21.15
- Fixed freezing and unresponsiveness when opening folder with many nested sub-folders (PR: #3681)
- Fixed handling of dismiss response to assets prompt (PR: #3678)
Supported Operating Systems for Debugging
Found a Bug?
To file a new issue to include all the related config information directly from vscode by entering the command pallette with Ctrl+Shift+P
(Cmd+Shift+P on macOS) and running
CSharp: Report an issue command. This will open a browser window with all the necessary information related to the installed extensions, dotnet version, mono version, etc. Enter all the remaining information and hit submit. More information can be found on the wiki.
Alternatively you could visit https://github.com/OmniSharp/omnisharp-vscode/issues and file a new one.
- Node.js (8.11.1 or later)
- Npm (5.6.0 or later)
To run and develop do the following:
npm run compile
- Open in Visual Studio Code (
- Optional: run
npm run watch, make code changes
- Press F5 to debug
To test do the following:
npm run test or F5 in VS Code with the "Launch Tests" debug configuration.
Copyright © .NET Foundation, and contributors.
The Microsoft C# extension is subject to these license terms.
The source code to this extension is available on https://github.com/OmniSharp/omnisharp-vscode and licensed under the MIT license.
Code of Conduct
This project has adopted the code of conduct defined by the Contributor Covenant
to clarify expected behavior in our community.
For more information see the .NET Foundation Code of Conduct.
Contribution License Agreement
By signing the CLA, the community is free to use your contribution to .NET Foundation projects.
This project is supported by the .NET Foundation.