Update library-with-visual-studio-code tutorial to .NET 10

[Copilot]

Updates the "Create a .NET class library using Visual Studio Code" tutorial for .NET 10.

Changes

• Updated article content and code examples from .NET 9 to .NET 10
• Unified VB snippet target framework from netstandard2.0 to net10.0 (C# snippets were already on net10.0)
• Updated metadata date to reflect freshness pass

Original prompt

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This section details on the original issue you should resolve

<issue_title>Use .NET 10 in Create a library tutorial</issue_title>
<issue_description>### Type of issue

Typo

Description

• Perform a freshness pass of: Tutorial: Create a .NET class library using Visual Studio Code.
• Update article to use .NET 10.

Page URL

https://learn.microsoft.com/en-us/dotnet/core/tutorials/library-with-visual-studio-code

Content source URL

https://github.com/dotnet/docs/blob/main/docs/core/tutorials/library-with-visual-studio-code.md

Document Version Independent Id

06ecbd1e-dad7-fbac-9160-dfce34df4d2c

Platform Id

9b1dc28a-bd19-85ab-f70f-f9ae2f6cef39

Article author

@meaghanlewis

Metadata

• ID: a3cbb75b-e0aa-13c6-c07d-65f0f0f68da2
• PlatformId: 9b1dc28a-bd19-85ab-f70f-f9ae2f6cef39
• Service: dotnet-fundamentals

Related Issues

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Associated WorkItem - 543455</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Use .NET 10 in Create a library tutorial #50726

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Internal previews

📄 File	🔗 Preview link
docs/core/tutorials/library-with-visual-studio-code.md	Tutorial: Create a .NET class library using Visual Studio Code

[Copilot]

Pull request overview

This PR updates the "Create a .NET class library using Visual Studio Code" tutorial from .NET 9 to .NET 10 as part of a freshness pass. The changes ensure the tutorial reflects the latest .NET version and maintains consistency between C# and VB examples.

Changes:

• Updated all references from .NET 9 to .NET 10 in the documentation
• Updated the VB project file target framework from netstandard2.0 to net10.0 to match the C# version
• Refreshed the metadata date to 01/29/2026

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
docs/core/tutorials/library-with-visual-studio-code.md	Updated tutorial content with .NET 10 references, improved instructions clarity, and added alternative method for project reference
docs/core/tutorials/snippets/library-with-visual-studio/vb/StringLibrary/StringLibrary.vbproj	Updated VB target framework from netstandard2.0 to net10.0 for consistency with C#

[adegeo]

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