How can we implement multiple inheritance in C# ?

Question

How can we implement multiple inheritance in C# ?

Answer 1

C# (or .NET for that matter) doesn't support multiple inheritance. To work around this, you'd use Interfaces.

Suppose you have a class called "Pen" that inherits from a base class called "WritingInstrument". If you need an additional level of inheritance, you need to do it with interfaces:

public class Pen : WritingInstrument, IWriteableObject