What is package source mapping in VS 2022?
Currently I'm using Visual Studio 2025 on all three platforms.
I'm trying to use package source mapping so that the library files do not have platform-specific names.
The PackageSourceMapping is introduced in Visual Studio 2025 version 15.8.
From Microsoft Docs - Package Source Mapping. Package source mapping. If your package contains platform-specific code, you might find it useful to rename the files of the package in such a way that their names are independent of the platform they run on. For example, in a package that contains code that runs on both Linux and Windows, you might consider renaming the file from foo.cpp to foo.win or foo.linux. This way, a user who installs your package will still be able to use it, even if they have a different operating system than you.
You can enable package source mapping by using the tooling APIs to create a new package manifest. This new manifest will have entries for the package's files, as well as an entry for each platform-specific file. To create this new manifest, call CreatePackageManifest from the IDE.
To enable the Package Source Mapping, you have to add a new Package Manifest for your package. I have written a blog post on this topic.
How to enable NuGet source?
How to update to NuGet version 2.
From the .NET Framework 2.0 to the .NET Framework 4.0, NUGet was disabled in VS by default. In the end of the .NET Framework 3.5 and all versions after, NuGet was enabled by default.
For a quick way to switch NuGet support back on and off, do the following: From Tools > Options > Environment > General, there is a checkbox "Enable NuGet", just turn it on and then turn it off as you like. The old NuGet version 2.7 doesn't work anymore after .0 and 4.5 update, if you use VS2010, you might have to update to NuGet 2. The current update version to support .NET 4.5 framework is 2.
How do I turn on package source mapping in Visual Studio?
In Visual Studio 2025, I have a project called MyProject.
I just checked it in to TFS, and now I'd like to turn on package source mapping (so that whenever I create a new package, the sources are mapped automatically).
I've searched Google for quite a while, and found instructions for VS2012. None of them work.
Here's my .sln file:
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