Abstract Classes and Interface in C# .Net Abstract Classes and Interface . Abstract is a keyword. When a class is not providing full functionality as per the requirement to declare that classes as "Abstract". C# Abstract Class. In c#, abstract class is a class which is declared with an abstract modifier. If we define a class with abstract modifier, then that class is intended only to be used as a base class for other classes. The abstract class cannot be instantiated and it can contain both abstract and non-abstract members. The class that is Find code examples and tips on Implementing reflection in C#. Navigation. MENU MENU. How Reflection in C# Works. The main class for reflection is the System.Type class, Reflection in C# Tutorial; CSharp.net - Reflection Introduction What is an Abstract Class in C#? An abstract class is used to define what is known as a base class. A base class is a class which has the most basic definition of a particular requirement. In the Tutorial class, we had defined a method called 'Set' (public virtual void Set()). Since the Abstract Class vs. Interface : difference between Abstract Class and Interface in C# Multiple Inheritance - A class can only use one abstract class, hence multiple inheritance is not supported. An interface, on the other hand, can support multiple inheritance, which means a class can inherit any number of inheritances. Exposing Visual C# objects to COM requires declaring a class interface, an events interface if it is required, and the class itself. Class members must follow these rules to be visible to COM: The class must be public. Properties, methods, and events must be public. Properties and methods must be declared on the class interface. In this article, learn what interfaces are in C# and how to implement interfaces in C#. What is Interface? An interface looks like a class, but has no implementation. The only thing it contains are declarations of events, indexers, methods and/or properties. C#