The C# support in Visual Studio Code is optimized for cross-platform .NET Core development (see working with .NET Core and VS Code for another relevant article). Our focus with VS Code is to be a great editor for cross-platform C# development.
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On the Create a new project window, choose the Windows Forms App (.NET Framework) template for C#. (If you prefer, you can refine your search to quickly get to the template you want. For example, enter or type Windows Forms App in the search box. Next, choose C# from the Language list, and then choose Windows from the Platform list.). Download C Sharp for macOS 10.8 or later and enjoy it on your Mac. Want to learn to program in either C# or Visual Basic.NET, but don't have a PC, then this app lets you run simple.NET scripts on your Mac.
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VS Code supports debugging of C# applications running on either .NET Core or Mono.
For detailed instructions on:
Note:VS Code has limited support for debugging applications running on the Desktop .NET Framework.
Due to this focus, many standard C# project types are not recognized by VS Code. An example of a non-supported project type is an ASP.NET MVC Application (though ASP.NET Core is supported). In these cases, if you want to have a lightweight tool to edit a file - VS Code has you covered. If you want the best possible experience for those projects and development on Windows in general, we recommend you use Visual Studio Community.
Installing C# support
C# language support is an optional install from the Marketplace. You can install it from within VS Code by searching for 'C#' in the Extensions view (⇧⌘X (Windows, Linux Ctrl+Shift+X)) or if you already have a project with C# files, VS Code will prompt you to install the extension as soon as you open a C# file.
In addition to the Microsoft C# extension, the community has produced other extensions.
Tip: The extensions shown above are dynamically queried. Click on an extension tile above to read the description and reviews to decide which extension is best for you. See more in the Marketplace.
Roslyn and OmniSharp
Visual Studio Code uses the power of Roslyn and OmniSharp to offer an enhanced C# experience. We offer support for:
On startup the best matching projects are loaded automatically but you can also choose your projects manually. The status bar will show what projects have been loaded and also allows you to select a different set of projects. To do so, click on the status bar projects item and select Change projects…. In the image below a single project has been picked up:
The available options include:
Once the project is loaded the enhanced experiences light up..
Editing Evolved
There is a lot to discover with C# and the editor, such as format on type, IntelliSense, the rename-refactoring, etc.
For a full description of our editing features, go to the Basic Editing and Code Navigation documentation. https://unitedever593.weebly.com/blog/how-to-delete-apps-of-mac-launch-pad.
Here are a few highlights..
IntelliSense
IntelliSense just works: hit ⌃Space (Windows, Linux Ctrl+Space) at any time to get context specific suggestions.
Snippets for C#
We have several built-in snippets included in VS Code that will come up as you type or you can press ⌃Space (Windows, Linux Ctrl+Space) (Trigger Suggest) and we will give you a context specific list of suggestions.
Tip: You can add in your own User Defined Snippets for C#. Take a look at User Defined Snippets to find out how.
Search for Symbols
There are also features outside the editor. One is the ability to search for symbols from wherever you are. Hit ⌘T (Windows, Linux Ctrl+T), start typing, and see a list of matching C# symbols. Select one and you'll be taken straight to its code location.
CodeLens
Another cool feature is the ability to see the number of references to a method directly above the method. Click on the reference info to see the references in the Peek view. This reference information updates as you type.
Note: Methods defined in
object , such as equals and hashCode do not get reference information due to performance reasons.
Tip: You can turn off references information displayed in CodeLens with the
editor.codeLens setting.
Find References/Peek Definition
You can click on the references of an object to find the locations of its use in place without losing context. This same experience works in reverse where you can Peek the definition of an object and see it inline without leaving your location. Best free mac utility apps.
Quick Fixes / Suggestions
There are some basic quick fixes supported in VS Code. You will see a lightbulb and clicking on it, or pressing ⌘. (Windows, Linux Ctrl+.) provides you with a simple list of fixes/suggestions.
Next steps
Read on to find out about:
Common questionsMy Project won't load![]()
VS Code only supports a limited set of project types (primarily .NET Core). For full .NET project support, we suggest you use Visual Studio Community.
IntelliSense is not working
This is typically as a result of the current project type not being supported. You can see an indication in the OmniSharp flame in the bottom left hand side of the status bar.
How do I build/run my project?
VS Code supports tasks for build and natively understand the output of MSBuild, CSC, XBuild. Find out more in the Tasks documentation.
I'm missing required assets to build and debug C# in VS Code. My debugger says 'No Configuration'
The Visual Studio Code C# extension can generate the assets you need to build and debug. If you missed the prompt when you first opened a new C# project, you can still perform this operation through the Command Palette (View > Command Palette) by typing '.NET', and running .NET: Generate Assets for Build and Debug. This command will generate the necessary
launch.json and tasks.json configuration files (under the .vscode folder).
7/16/2018
Visual Studio has not always been as user-friendly on the Mac as it is on a Windows machine. Lately, however, the stable release of VS for Mac is really starting to feel like a simple, but luxurious cousin to Visual Studio 2019. Different, but related. Installation on a Mac is quick, simple, and allows you to get into coding right away - whether you are already familiar or an Apple-only dev getting into something new like Xamarin.
Visual Studio for Mac bears a striking similarity to xCode’s solution navigation feel, but brings the power of VS intellisense and an ability to focus on your code in a much cleaner looking environment. In my opinion, this brings the best of both worlds together. But don’t take my word for it: here are five reasons to give Visual Studio for Mac another go!
1. The C# Editor in Visual Studio for Mac is Completely New
Roslyn, the .NET compiler platform, is now in the Visual Studio for Mac editor - making your intellisense as powerful as its big brother on Windows. Marrying the functionality ported over from the Roslyn compiler with the (frankly, beautiful looking) simplicity of a native-feeling Mac UI editing experience gives this girl all the feels. It has full support for third-party Nuget packages for .NET Core (utilizing .NET Standard) along with Unity, Xamarin and Cocoa apps.
I didn’t notice a big difference gating my progress of a .NET Core app. At this point, I don’t know why I would switch over to a windows VM in order to build a microservice API in .NET Core at all!
Finally, I’m loving that VS for Mac now includes “Go to implementation” as an option in the latest release. Exciting! The C# experience is pretty great now.
2. CLI Developers Can Open .NET Core Projects in Terminal
Ah, the command line. Many developers love using it for .NET Core instead of the “visual” click and drag aspect of the Visual Studio IDE. At first, the use of command line programming with ASP.NET Core was the only way you could build those apps. Over time, and especially with the release of Visual Studio 2019, the File > New Project templates for ASP.NET Core apps have been baked into the install bringing a truly visual experience to that build.
For a while, it was unclear if the same command line net new project CLI functionality would be available on Mac, but I am happy to report that it is and it works beautifully! The use of the Terminal app brings that experience to you harcore command line devs.
3. Improved Build Time for Xamarin
Remember those build and deploy coffee breaks? Well say goodbye (unless you don’t want to of course). On one of my Xamarin projects I saw a super impressive 30% faster incremental build time. That’s not an insignificant improvement.
This metric is also supported by the April 2019 press release from the VS for Mac team. I used to design my development process in such a way that I could multitask to stay efficient and productive. I’m happy to report those days are gone with much improved build speeds, making the Xamarin app building process something I can say I truly enjoy.
4. .NET Core 3 Support Available Right Out of the Gate
Does Visual Studio 2019 have .NET Core 3 support? Yes, but that’s no reason to jump over to your Windows machine! You can use all the same, wonderful new stuff on your Apple machine, too.
In fact, I’d argue that Visual Studio for Mac is an excellent place to start learning how to build apps for .NET Core 3. With fewer small windows everywhere like it’s Windows-based cousin, VS for Mac allows for a more-focused process.
5. Robust Source Control Options
This is where some “same but different” comes into play. I find that developers coming over from Swift or Objective C development enjoy the experience of source control within Visual Studio for Mac. While there IS a difference in the process for Windows users, I don’t find it particularly difficult. Visual Studio for Mac supports Git and Subversion built into the IDE, as well as TFS with a little more effort.
I have used the Github Desktop app for source control of my folders without much issue. This is also my source control workflow for VS Code, and while it is not integrated into the IDE of VS for Mac, it’s also not a bad option. For the hardcore command line peeps, you can alternatively use Git inside the CLI tool Terminal, which is native to Apple OS. There is no learning curve here at all for developers who use command line.
Who Should Use Visual Studio for Mac?
Visual Studio for Mac is a strong choice for many developers and many use cases. Here are a few that come to mind:
The last group to come over will be .NET Framework developers who have worked with Visual Studio on Windows as their only option for .NET 4.7.2 for example. Sadly no, .NET Framework cannot run on VS for Mac. However, once you are ready to start building your apps or microservices in .NET Core - check it out!
Csharp Mac App Installer
New functionality, extensions and templates are all coming this next year to Visual Studio for Mac that make living in harmony with Apple + Microsoft a real joy.
Learn More About .NET Core, Xamarin, Apple & OAuthC Sharp Mac
If you’d like to learn more about ASP.NET, Xamarin, or Apple, we’ve also published a number of posts that might interest you:
For other great content from the Okta Dev Team, follow us on Twitter and Facebook!
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