Modify the .csproj
Join
<LangVersion>8.0</LangVersion>
<Nullable>enable</Nullable>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
Adding a separate file
Compiled tips
Modify the .csproj
Join
<LangVersion>8.0</LangVersion>
<Nullable>enable</Nullable>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
Adding a separate file
Compiled tips