Delegates and Events in C Sharp MCQ question and answer with solution | C# Program MCQs

A. Predicate

B. Func

C. EventHandler

D. None of the above

A. A delegate that is used for asynchronous operations

B. A delegate that can only invoke a single method

C. A delegate that can hold references to multiple methods

D. A delegate that is defined with multiple parameters

A. Adds an event handler to the event

B. Subscribes to the event

C. Invokes the event

D. Removes an event handler from the event

A. private

B. protected

C. internal

D. public

A. Creates a new multicast delegate

B. Invokes all delegates in a multicast delegate

C. Removes a delegate from a multicast delegate

D. Combines two delegates into a multicast delegate

A. It represents a method that handles events

B. It combines two delegates into a multicast delegate

C. It serves as a template for creating event handler delegates

D. It represents a method that takes no parameters and returns a value

A. Checks if an event handler exists for a given event

B. Invokes the event handler method

C. Retrieves the method used to add event handlers

D. Retrieves the method used to remove event handlers

A. To begin and end a transaction

B. To check if a delegate is null before invoking it

C. To pass parameters to a delegate method without invoking it

D. To perform asynchronous invocation of delegate methods

A. Generics class Declaration

B. Declaration of variable

C. Generic constructor declaration

D. All of the mentioned

A. class declaration

B. inheritance

C. runtime polymorphism

D. exceptions