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An attempt to provide.NET Framework 4.0 Developer Pack (SDK) support for modern Visual Studio / MSBuild / etc.

Two modes! Pure batch-scripts! Portable and Flexible (changes can be easily undone) ! Free and Open !

Based onhMSBuild +GetNuTool

Copyright (c)2021-2024DenisKuzmin<x-3F@outlook.com>github/3F

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netfx4sdk allows you to use easily a deprecated SDK for modern toolsets and IDEs such as VS2022+ / MSBuild 17+ / and other tools without installing any other outdated versions of Visual Studio.

Microsoft officially dropped support of theDeveloper Pack (SDK) for .NET Framework 4.0. Now it can only be aRuntime version:https://dotnet.microsoft.com/en-us/download/visual-studio-sdks

Means youcan't simplybuild anything along with pure VS2022 (e.g.VM image, clean VS2022 env)

MSB3644: The reference assemblies for .NETFramework,Version=v4.0 were not found. To resolve this,install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can (*no, you can't) download .NET Framework Developer Packs athttps://aka.ms/msbuild/developerpacks

Butnetfx4sdk will try to eliminate this artificial limitation by a single command,

• Here'sresult usingnetfx4sdk 1.0 for the same clean VS2022 VM image above.

-mode sys - Hack using assemblies for windows. Highlyrecommended because

• [++] All modules are under windows support.
• [+] It does not require internet connection (portable).
• [+] No decompression required (faster) compared to package mode.
• [-] This is behavior-based hack;

-mode package will try to apply obsolete package to the environment.

• [-] Officially dropped support since VS2022.
• [-] Requires internet connection to receive ~30 MB via GetNuTool.
• [-] Requires decompression of received data to 178 MB before use.
• [+] Well known official behavior.

 -mode {value}  * system   - (Recommended) Hack using assembliesfor windows.  * package  - Apply obsolete remote package. Read [About modes] below.  * sys      - Alias to `system`  * pkg      - Alias to `package` -force    - Aggressive behavior when applying etc. -rollback - Rollback applied modifications. -global   - To use the global toolset, like hMSBuild. -pkg-version {arg} - Specific package version.Where {arg}:     * 1.0.3 ...     * latest - (keyword) To use latest version; -debug    - To show debug information. -version  - Display version of netfx4sdk.cmd. -help     - Display this help. Aliases: -help -h -?

netfx4sdk -mode sysnetfx4sdk -rollbacknetfx4sdk -debug -force -mode packagenetfx4sdk -mode pkg -pkg-version 1.0.2

https://github.com/3F/netfx4sdk/releases/latest

git clone https://github.com/3F/netfx4sdk.git srccd src& build& bin\Release\raw\netfx4sdk -help

netfx4sdk releases are now accompanied by a.sha1 file in the official distribution; At the same time, commits from which releases are published are signed with the committer's verified signature (GPG).

Make sure you are using official, unmodified, safe versions.

Note:.sha1 file is a text list of published files with checksums in the format:

40-hexadecimal-digits<space>file

eead8f5c1fdff2abd4da7d799fbbe694d392c792 path\file...

netfx4sdk is waiting for your awesome contributions!