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.

Learn how to use interface segregation principle (ISP) in C# to avoid large and complex interfaces. Use multiple interface inheritance and explicit interface implementation.

Follow these best practices for using interfaces to avoid interface overuse when designing your types. Topics ... How not to use interfaces in C#. how-to. May 6, 2019 5 mins.

He walks you through how to define and implement an interface, how to use an interface when casting one C# class to another type, how to implement more than one interface for a C# class, and more. Joe ...

Delegates can use anonymous methods, while interfaces cannot use anonymous classes. Add your perspective Help others by sharing more (125 characters min.) Cancel ...

He walks you through how to define and implement an interface, how to use an interface when casting one C# class to another type, how to implement more than one interface for a C# class, and more. Joe ...