What is public delegate void?

public delegate void Del(string message); A delegate object is normally constructed by providing the name of the method the delegate will wrap, or with a lambda expression. Once a delegate is instantiated, a method call made to the delegate will be passed by the delegate to that method.

How do you call a delegate function in C#?

Delegates can be invoke like a normal function or Invoke() method. Multiple methods can be assigned to the delegate using “+” or “+=” operator and removed using “-” or “-=” operator. It is called multicast delegate. If a multicast delegate returns a value then it returns the value from the last assigned target method.

Is delegate a class in C#?

Delegates are the library class in System namespace. These are the type-safe pointer of any method. Delegates can also be used in “anonymous methods” invocation. Anonymous Methods(C# 2.0) and Lambda expressions(C# 3.0) are compiled to delegate types in certain contexts.

What is delegate in asp net?

In the . NET environment, a delegate is a type that defines a method signature and it can pass a function as a parameter. In simple words we can say delegate is a . NET object which points to a method that matches its specific signature. A delegate is independent of the type of method that it references.

Why are delegates used?

Delegates allow methods to be passed as parameters. Delegates can be used to define callback methods. Delegates can be chained together; for example, multiple methods can be called on a single event.

Why delegate is used in C#?

Understanding delegates in C# Delegates are used to define callback methods and implement event handling, and they are declared using the “delegate” keyword. You can declare a delegate that can appear on its own or even nested inside a class. There are three steps in using delegates.

What is the real use of delegates in C#?

How does a delegate vote?

Delegates have powers similar to that of Representatives, including the right to vote in committee, but have no right to take part in the floor votes in which the full house actually decides whether the proposal is carried.

What is the purpose of a delegate in C#?

Delegates are used to define callback methods and implement event handling, and they are declared using the “delegate” keyword. You can declare a delegate that can appear on its own or even nested inside a class. There are three steps in using delegates. These include declaration, instantiation, and invocation.

How are delegates chosen?

There are various types of delegates elected to different political bodies. Prior to a United States presidential election, the major political parties select delegates from the various state parties for a presidential nominating convention, often by either primary elections or party caucuses.