Visual Studio 2022
NET 7
NET upgrade assistant
https://dotnet.microsoft.com/en-us/platform/upgrade-assistant/tutorial/intro
https://learn.microsoft.com/en-us/dotnet/core/porting/upgrade-assistant-winforms-framework

Converting old SDR# plugins to .NET 7 is (often) relatively easy. I reverse engineered old DCS decoder plugin with dotPeek to VS project.

NET upgrade assistant analyze (report)

NET upgrade assistant upgrade VS solution

https://i.ibb.co/7J39xPX/net-up-assistan-run.jpg

https://i.ibb.co/tsSBdQj/upgrade-it.jpg

https://i.ibb.co/kq0pXRm/upgrade-it2.jpg

https://i.ibb.co/S01bms9/upgrade-it3.jpg

https://i.ibb.co/pWmPDjk/upgrade-it4.jpg

https://i.ibb.co/NjVCPxv/upgrade-it5.jpg

https://i.ibb.co/LPj5p0L/upgrade-it6.jpg

https://i.ibb.co/Zh2mCh3/upgrade-it7.jpg

https://i.ibb.co/yyCKd0v/upgrade-it8.jpg

Open project in VS

Build project and fix possible errors .... old NET programs may need fixing when converting to NET 7
Copy dll to SDR# plugins directory and check if it runs