Question: Which One Of The Following Is The Correct Syntax Of Declaring A Delegate?

Which of the following statements are valid about generics in .NET framework?

Which of the following statements is valid about generic procedures in C#.NET.

All procedures in a Generic class are generic.

Only those procedures labeled as Generic are generic.

Generic procedures can take at the most one generic parameter..

Which of these base class are accessible to the derived class members?

Discussion ForumQue.Which of these base classes are accessible to the derived class members?b.protectedc.privated.SharedAnswer:protected1 more row

Which of the following statement is used to declare a delegate?

Which of the following statements are correct about the delegate declaration given below? delegate void del(int i); On declaring the delegate a class called del will get created. The signature of del need not be same as the signature of the method that we intend to call using it.

Which of the following is correct about delegates?

Which of the following statements are correct about delegates? Delegates cannot be used to call a static method of a class. Delegates cannot be used to call procedures that receive variable number of arguments. If signatures of two methods are same they can be called through the same delegate object.

Which of the following is incorrect about delegates?

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

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.

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);

What is Delegates in C# with real time example?

It is a reference type. It is a function pointer or it holds a reference (pointer) to a function (method). It is type safe. Delegates are mainly used for the event handling and the callback methods.

Which of the following statements is correct about managed code?

Which of the following statements is correct about Managed Code?1)Managed code is the code where resources are Garbage Collecte2)Managed code is the code that is compiled by the JIT compilers.3)Managed code is the code that is written to target the services of the CLR.2 more rows

What is a delegate in C#?

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 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.

Why use delegates over methods?

Delegates are similar to C++ function pointers, but are type safe. 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.

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

What does delegate mean?

: a person who is chosen or elected to vote or act for others. delegate. verb. English Language Learners Definition of delegate (Entry 2 of 2) : to give (control, responsibility, authority, etc.) to someone : to trust someone with (a job, duty, etc.)

How are delegates counted?

The Democratic Party uses a proportional representation to determine how many delegates each candidate is awarded in each state. A candidate must win at least 15% of the vote in a particular contest in order to receive any delegates. Pledged delegates are awarded proportionally in both state-wide and regional contests.

What is a delegate in C# explain with one example?

Delegates are similar to C++ function pointers, but are type safe. Delegates allow methods to be passed as parameters. Delegates can be used to define callback methods. Simple Delegates With Examples. … Delegates can be chained together; for example, multiple methods can be called on a single event.

What is a delegate method?

A delegate method is a method that the delegate object is expected to implement. Some delegate methods are required, while some are not. In IOS, most delegates are expected to conform to an Objective-C protocol; the protocol declaration will tell you which methods are optional and which are required.

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 do you mean by delegates state their use with an example?

A delegate is an object which refers to a method or you can say it is a reference type variable that can hold a reference to the methods. Delegates in C# are similar to the function pointer in C/C++. … For example, if you click an Button on a form (Windows Form application), the program would call a specific method.

Which of the following is incorrect about constructors?

Which of the following is incorrect about constructors? Defining of constructors can be implicit or explicit. The calling of constructors is explicit. Implicit constructors can be parameterized or parameterless.

What are C# delegates?

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.

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