microsoft/CsWin32

microsoft/CsWin32 has 2,527 GitHub stars and 132 forks. GitHot measured +1 stars in 24 hours. Last checked 2026-11-07 20:53 UTC. Last push 2026-11-02.

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A source generator to add a user-defined set of Win32 P/Invoke methods and supporting types to a C# project.

2,527 stars 132 forks +1 in 24h

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README.md

Original

C#/Win32 Interop Projection

C#/Win32 provides P/Invoke and COM Interop projection support for C#. It generates strongly-typed, source-generated bindings from CsWn32-compatible .winmd metadata files. CsWin32 supports the metadata of Microsoft.Windows.SDK.Win32Metadata as the 1st-party metadata.

Generates interop code quickly at compilation time.
Generates friendly overloads/extensions (including SafeHandle-types support).
Generates xml documentation based on and links back to learn.microsoft.com
Ships no bulky assemblies alongside your application.

Getting started

Demo

Animation demonstrating p/invoke code generation

microsoft/CsWin32

Measured star growth

README.md

C#/Win32 Interop Projection

Getting started

Demo

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