Which Are The Correct Statement About Delegates?

How do you name delegates?

Delegate Naming Conventions The two components of the name should be a noun (for example invoice) and a verb (for example opening or opened).

An example is invoiceOpened.

When the class name is a noun, the noun can be omitted from the delegate name..

Are based on delegates and are multicast delegates?

It is possible for certain Delegate to hold and invoke multiple methods such Delegates are called Multicast Delegates. Multicast Delegates are also known as Combinable Delegates, which must satisfy the conditions like the return type of the Delegate must be void.

What is the job of a delegate?

A delegate is a person selected to represent a group of people in some political assembly of the United States. There are various types of delegates elected to different political bodies.

What is the difference between events and multicast delegates?

Delegates are pointer to functions and used for call back. Multicast delegates help to invoke multiple callbacks. Events encapsulate delegate and implement publisher and subscriber model. … So delegate is the base for events and multicast.

Is the necessary condition for implementing delegates?

Which of the following is the necessary condition for implementing delegates? … delegate void del(int i); On declaring the delegate a class called del will get created.

What is C# delegate?

C# delegates are similar to pointers to functions, in C or C++. A delegate is a reference type variable that holds the reference to a method. The reference can be changed at runtime. Delegates are especially used for implementing events and the call-back methods. All delegates are implicitly derived from the System.

Which of the following statement is correct about a string in c# net?

Which of the following statement is correct about a String in C#.NET? A String is mutable because it can be modified once it has been created. Methods of the String class can be used to modify the string. A number CANNOT be represented in the form of a String.

What is another word for delegate?

What is another word for delegate?envoyrepresentativeagentdeputyambassadorcommissioneremissaryproxycommissarylegate201 more rows

Are delegates type-safe?

A delegate is a type-safe function pointer that can reference a method that has the same signature as that of the delegate. You can take advantage of delegates in C# to implement events and call-back methods. A multicast delegate is one that can point to one or more methods that have identical signatures.

What is a delegate type?

A delegate is a type that represents references to methods with a particular parameter list and return type. … In other words, a method must have the same return type as the delegate. This ability to refer to a method as a parameter makes delegates ideal for defining callback methods.

How would you write a delegate named ResultCallback with an?

Q44. How would you write a delegate named ResultCallback with an int parameter named responseCodepublic delegate ResultCallback(int responseCode)public delegate void ResultCallback<(int) responseCode>;public void delegate ResultCallback;public delegate void ResultCallback(int responseCode);

Why do we need multicast delegates?

A Multicast Delegate is a delegate that holds the references of more than one function. When we invoke the multicast delegate, then all the functions which are referenced by the delegate are going to be invoked. If you want to call multiple methods using a delegate then all the method signature should be the same.

Which of the following statements regarding delegation is false?

Which of the following statements regarding delegation is FALSE? Successful delegation requires careful explanation of the task to be accomplished. … Lack of confidence in the ability of others is one reason supervisors fail to delegate. Successful delegation requires careful explanation of the task to be accomplished.

Which among the following is a correct statement about namespace used in c# net?

4. Which among the following is a correct statement about namespace used in C#.NET? Explanation: None.

Which is the incorrect statement about delegate?

Discussion ForumQue.Which of the following is an incorrect statement about delegate?b.delegates could be sharedc.delegates are type safe wrappers for function pointersd.delegate is a value typeAnswer:delegates are type safe wrappers for function pointers1 more row

Which of the following statement is correct about properties used in c# net?

Which of the following statements is correct about properties used in C#.NET? A property can simultaneously be read only or write only. A property can be either read only or write only. A write only property will have only get accessor.

Which among the following is the correct statement about delegate declaration delegate void Del int i );?

Discussion ForumQue.Which among the following is the correct statement about delegate declaration ? delegate void del(int i);b.the del class is derived from the MulticastDelegate classc.the del class will contain a one argument constructor and an invoke() methodd.all of the mentionedAnswer:all of the mentioned1 more row

Which one of the following is the correct syntax of declaring a delegate?

A delegate can be declared using the delegate keyword followed by a function signature, as shown below. The following declares a delegate named MyDelegate . public delegate void MyDelegate(string msg); Above, we have declared a delegate MyDelegate with a void return type and a string parameter.

Which among the following differentiates a delegate in c# net?

Discussion ForumQue.Which among the following differentiates a delegate in C#.NET from a conventional function pointer in other languages?b.delegates allows static as well as instance methods to be invokedc.delegates are type safe and secured.none of the mentionedAnswer:none of the mentioned1 more row

Which is the correct statement to find if content of two strings are equal?

7. Correct way to find if contents of two strings are equal? Explanation: “==” operator used to compare length of two strings and strcmp() is the inbuilt method derived from string class.

How do you return a value from a delegate?

BeginInvoke to pass parameters to the method. When the async operation completes a callback is automatically made back to the main thread. Within the callback method, you call delegateInstance. EndInvoke to obtain the return value, if any, from the method that was called asynchronously.

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