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Is delegate a method?
A delegate is simply a reference to another object and a delegate method is a method of the delegate. A delegate method implements the callback mechanism which usually takes the sender as one of the parameter to be called. All iOS apps use Delegation.
What is a delegate UK?
uk. /ˈdelɪɡət/ us. a person who is chosen or elected by a group to speak or vote for it, especially at a meeting: More than 1,000 delegates attended the three-day conference. a delegate to a meeting/conference.
What is the difference between method and delegate?
A delegate is declared outside a class whereas, an event is declared inside a class. To invoke a method using a delegate object, the method has to be referred to the delegate object. On the other hand, to invoke a method using an event object the method has to be referred to the event object.
What is the advantage of using delegate?
Delegation provides advantages for you, your team or department and the organisation. These include: The organisation increases and improves its reputation as an employer of choice . When employees are given opportunities to develop and challenge themselves, their loyalty and productivity improve or, at least, they do not decrease.
What is difference between delegate and interface?
but having more options can also make decisions harder when
What to do with delegate?
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. Methods do not have to match the delegate type exactly. For more information, see Using Variance in Delegates.