{"id":13732766,"url":"https://github.com/microsoft/vs-mef","last_synced_at":"2025-05-14T00:10:24.689Z","repository":{"id":37735599,"uuid":"89300492","full_name":"microsoft/vs-mef","owner":"microsoft","description":"Managed Extensibility Framework (MEF) implementation used by Visual 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dependency injection"],"sub_categories":[],"readme":"# vs-mef\n\n[![Build Status](https://dev.azure.com/azure-public/vside/_apis/build/status/vs-mef)](https://dev.azure.com/azure-public/vside/_build/latest?definitionId=17)\n[![codecov](https://codecov.io/gh/Microsoft/vs-mef/branch/main/graph/badge.svg)](https://codecov.io/gh/Microsoft/vs-mef)\n\nThis repo contains the Visual Studio team's implementation of .NET's managed extensibility framework.\nIt is broken up into several NuGet packages, as listed below.\n\n## Microsoft.VisualStudio.Composition\n\n[![NuGet package](https://img.shields.io/nuget/v/Microsoft.VisualStudio.Composition.svg)](https://www.nuget.org/packages/Microsoft.VisualStudio.Composition)\n\nLightning fast MEF engine, supporting System.ComponentModel.Composition and System.Composition.\n\n### Features\n\n* A new, faster host for your existing MEF parts\n* Reuse the MEF attributes you're already using\n* `ExportFactory\u003cT\u003e` support to create sub-containers with scoped lifetime (i.e. sharing boundaries)\n\n### Documentation\n\n* [Why VS-MEF?](doc/why.md)\n* [Differences between .NET MEF, NuGet MEF and VS MEF](doc/mef_library_differences.md)\n* [Hosting](doc/hosting.md)\n* [more docs](doc/index.md)\n\n[Learn more about this package](src/Microsoft.VisualStudio.Composition/README.md).\n\n## Microsoft.VisualStudio.Composition.Analyzers\n\n[![NuGet package](https://img.shields.io/nuget/v/Microsoft.VisualStudio.Composition.Analyzers.svg)](https://www.nuget.org/packages/Microsoft.VisualStudio.Composition.Analyzers)\n\nAnalyzers for MEF consumers to help identify common errors in MEF parts.\n\n[Learn more about this package](src/Microsoft.VisualStudio.Composition.Analyzers/README.md).\n\n## Microsoft.VisualStudio.Composition.AppHost\n\n[![NuGet package](https://img.shields.io/nuget/v/Microsoft.VisualStudio.Composition.AppHost.svg)](https://www.nuget.org/packages/Microsoft.VisualStudio.Composition.AppHost)\n\nAdds a VS MEF system with a pre-computed, cached MEF graph.\n\n[Learn more about this package](src/Microsoft.VisualStudio.Composition.AppHost/README.md).\n\n## Microsoft.VisualStudio.Composition.VSMefx\n\nA diagnostic tool to understand catalogs, compositions and diagnose issues in them.\n\n[Learn more about this package](src/Microsoft.VisualStudio.Composition.VSMefx/README.md).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmicrosoft%2Fvs-mef","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmicrosoft%2Fvs-mef","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmicrosoft%2Fvs-mef/lists"}