Definition We have 3 interfaces: ILogger, ILoggerProvider and ILoggerFactory. Let’s look at the source code to find out their responsibilities: ILogger: is responsible to write a log message of a given Log Level. ILoggerProvider: is responsible to create an instance of ILogger (you are not supposed to use ILoggerProvider directly to create a logger) ILoggerFactory: … Read more
As trite as it sounds, try rebuilding then restarting VS – and get on with your day 🙂
Yes, ConfigurationManager.AppSettings is available in .NET Core 2.0 after referencing NuGet package System.Configuration.ConfigurationManager. Credits goes to @JeroenMostert for giving me the solution.
Yes, C# 8 can be used with the .NET Framework and other targets older than .NET Core 3.0/.NET Standard 2.1 in Visual Studio 2019 (or older versions of Visual Studio if you install a NuGet package). The only thing required is to set language version to 8.0 in the csproj file. You can also do … Read more
I will try to further clarify your doubts and extend Jon Skeet answer. .NET Standard is a specification, so a library compiled for a specific .NET Standard version can be used in different .NET Standard implementations. As said in my other comment, a good analogy for the relationship between .NET Standard and other .NET Standard … Read more
When should we use one over the other? The decision is a trade-off between compatibility and API access. Use a .NET Standard library when you want to increase the number of applications that will be compatible with your library, and you are okay with a decrease in the .NET API surface area your library can … Read more