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After upgrading Visual Studio to the latest version, I noticed that when I create a new project, the using System namespace and others that are usually added automatically are no longer added. Am I creating new projects wrong? Do we have to add even the basics manually now for some reason?
Microsoft Visual Studio Community 2022 (64-bit) -
Current Version 17.2.6
Here is how I am creating a new project:
New Project > Console App > .NET 6.0 (Long-Term Support) and I've tried with the box "Do not use top-level statements" unchecked and checked
I've also tried New Project > ASP.NET Core Web App with the same results.
What kind of projects did you create in C# and does it work even if the using statement is not present?
I updated my question with the type of projects I tried before I saw your response.
I just created a small calculator so I could hopefully answer your question about it working. Yes, when I run, it works without - using System. So declaring variables, Console.Write & ReadLine, and Convert.ToInt32 all work fine and I assume they are basic functions found in the System namespace, perhaps not. If they're not, it just seems odd to me that it's no longer added automatically.
If you double-click the project node in Solution Explorer, you will see the project's details in XML format. There is a <ImplicitUsings>enable</ImplicitUsings> element, which is related to a new feature — "Implicit Usings":
You can change it to disable to see the effect.
Okay, I see now. It's like an include file that is enabled using the <ImplicitUsings> element. I found the 'include' file here: obj/Debug/net6.0/[projectName].GlobalUsings.g.cs. I also see how to add others to the project globally if desired using the global modifier. I had a feeling it was something like this and I did my best to find it before asking, but came up empty. Thank you!
See also a new icon related to Global Usings in Visual Studio 17.3: https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes.
Great, thank you for the additional information.
I have Tools->Options->Text Editor->C#->Advanced-> “Show inheritance margin” checked, but the icon does not show up in the margin for some reason.
I think that it should just work after updating to 17.3 or 17.3.1. Make sure that "Include global imports" is checked too, and maybe also reopen the file or solution.
Upgrading from 17.2 did the trick. Thanks!