objective c delegate

First, prefaceMay be a small project size, in addition to adding or removing changes in the project only left the business process, did not know how to understand the long-time is more and more blurred ...Second, the use of the sceneMSDN:delegate is a reference type that can be used to encapsulate a named or an anonymous method.">Delegate is a reference type that you can use to encapsulate named or anonymous methods. a

1. Delegate: a reference to a type-safe method. The parameter signature and returned data type of the method represented by the delegate are determined when the delegate is defined. Therefore, the delegate is type safe, which is completely different from the pointer. The use of the

In the previous articleArticleWe briefly discuss the changes in delegate representations in. Net 1.x and. NET 2.0, as well as the advantages, objectives, and precautions of anonymous methods in. NET 2.0. Now let's talk about what the form of delegation has evolved into in. Net 3.5 (C #3.0) And what features and functions it has. Delegate writing in. Net 3.5 (lambda expression) Lambda expressions in C # are

One, what is commissioned 1.1 official explanationA delegate is a type that defines a method signature. When you instantiate a delegate, you can associate its instance with any method that has a compatible signature. You can invoke a method from a delegate instance.1.2 People understandA delegate is a class that execut

First, what is a delegatePrincipal-based expansion:http://www.cnblogs.com/yangyancheng/archive/2011/04/21/2024145.html1.1 official explanationA delegate is a type that defines a method signature. When you instantiate a delegate, you can associate its instance with any method that has a compatible signature. You can invoke a method from a delegate instance.1.2 Peo

C # Delegate 0 basic understanding (RPM) 1, why use Delegate 2. What is a delegate 3. How the delegate is usedWhy use a delegate?Delegates are a very important concept in C #, and using delegates allows programmers to encapsulate a method reference within a

The notes are from the entrusting part of Jin xuliang's Electronic Teaching Plan "Commission and event" and his book ". NET4.0 Object-Oriented Programming basics"Delegation is the technical basis for events, asynchronous calls, and multi-thread development in. NET.A delegate can be seen as a method container (the most typical is the + = and-= symbols in the control event). After loading a specific method, it can be called as a method. C # How the comp

A delegate is a class that defines the type of the method so that the method can be passed as a parameter to another method. An event is a special kind of delegate.1. Declaration of Delegation(1). DelegateDelegate the kind of statement we used to useDelegate at least 0 parameters, up to 32 parameters, can have no return value, or you can specify a return value type.Example: public

A delegate is a class that defines the type of the method so that the method can be passed as a parameter to another method. An event is a special kind of delegate.1. Declaration of Delegation(1). DelegateDelegate the kind of statement we used to useDelegate at least 0 parameters, up to 32 parameters, can have no return value, or you can specify a return value type.Example: public

A delegate is a class that defines the type of the method so that the method can be passed as a parameter to another method. An event is a special kind of delegate.1. Declaration of Delegation(1). DelegateDelegate the kind of statement we used to useDelegate at least 0 parameters, up to 32 parameters, can have no return value, or you can specify a return value type.Example: public

A delegate is a class that defines the type of the method so that the method can be passed as a parameter to another method. An event is a special kind of delegate.1. Declaration of Delegation(1). DelegateDelegate the kind of statement we used to useDelegate at least 0 parameters, up to 32 parameters, can have no return value, or you can specify a return value type.Example: public

A delegate is a class that defines the type of the method so that the method can be passed as a parameter to another method. An event is a special kind of delegate.1. Declaration of Delegation(1). DelegateDelegate the kind of statement we used to useDelegate at least 0 parameters, up to 32 parameters, can have no return value, or you can specify a return value type.Example: public

About delegate in IOS, iosdelegate Soon after you start writing iOS programs, you should start to face a lot of delegate,Whether using others' libraries or writing their own libraries, you may not be able to escape the delegate.For fear that some people do not know what delegate is, let's give a brief introduction here,Delega