Until C# 8.0, an interface in C# could not contain method definitions. You could only include method declarations in an interface, and the members of an interface were public and abstract by default.

C# System.Threading.Timer - TimerCallback delegate is never called, it seems. ... several method calls retrieve things and sort things and read from and write to a database.

This article discusses how we can take advantage of PostSharp to validate the parameters of methods in C#. To work with the code examples provided in this article, you should have Visual Studio ...