The System.IComparable interface in the .NET Framework is a good example. Object comparison is common in programming. Microsoft can't know every way you might compare objects, so it defined an ...

When designing applications, it is important to know when to use an abstract class and when to use an interface. Although abstract classes and interfaces seem similar in some ways, there are key ...

In the C# programming language ... the same time allowing you to extend the functionality of existing classes or interfaces. Microsoft introduced extension methods in C# 3.0. Common extension ...