vs2022支持.netframework4.0

下载nuget包

.netframework4.0

解压nuget

复制到C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework

参考

https://www.cnblogs.com/bdqczhl/p/18670152
https://blog.csdn.net/xiaomeng1998_/article/details/135979884