native, there are two ways, both storing the keyvalues to application_name.exe.config
1) wide used, which needs extra reference to System.Configuration.dll
https://learn.microsoft.com/en-us/dotnet/api/system.configuration.configurationmanager.appsettings
cozy as we can have a function like GetOrDefault on flavor Settings.Settings could not save values.
2) Settings.Settings (use it/good only for readonly, user has to make the changes by hand)
inside visual studio, you define the keys, then afterwards
1) wide used, which needs extra reference to System.Configuration.dll
https://learn.microsoft.com/en-us/dotnet/api/system.configuration.configurationmanager.appsettings
2) Settings.Settings (use it/good only for readonly, user has to make the changes by hand)
inside visual studio, you define the keys, then afterwards