objective c delegate

From the beginning to engage in OC work to now about 1 years, from the first contact OC "Agreement" does not understand, to the present code everywhere in the Commission, agreement, which sentiment a lot.First of all, we should all understand that the Commission is a kind of agreement, as the name implies, is to entrust others to help themselves to do something.That is, when you do something inconvenient, you can create a delegate, so you can entrust

[. NET Basics]-delegate, event, thread (2),. net delegate This article introduces the usage and Principles of the event. This article continues with the Demo of the previous Article [download the previous Demo] In the previous article, we defined four Delegate proxies in the class (dg_SayHi.cs), and then created and initialized the

C#delegate (Delegate)A delegate in C # (Delegate) is similar to a pointer to a function in C or C + +. A delegate (Delegate) is a reference type variable that holds a reference to a method. References can be changed at run time.De

. (1). Use Delegation From the above section [C # Delegate, event (1) http://www.cnblogs.com/Youhei/archive/2010/05/04/1727544.html] the description of the delegate shows that the delegate is a class and must have the same signature with the declaration delegate to initialize it. The following describes the solution

take you through the C # delegate, anonymous method, Lambda, generic delegate, Expression tree code example: These are old-age programmers are commonplace, nothing new, the new generation of programmers is full of charm. Once the new generation, many have been through a long learning, understanding, practice to master the delegation, expression tree these applications. Today I try to describe it in a simpl

A delegate is a data structure that refers to a group of multiple methods, to instance methods, and to the object instances that correspond to those methods.Delegate IntroductionA delegate is a type of reference method. Once a delegate has been assigned a method, the delegate will have exactly the same behavior as the

From: http://hi.baidu.com/super311/blog/item/15ff2513ed83f4d3a6866945.html Delegate statement Public delegate void MyDelegate (string str );Note1. The definition of delegation is similar to the definition of method, but a delegate is added before, but the delegate is not a method, and it is a type. It is a special type

Root U3D-about all aspects of Delegate, u3d-delegate Do I need to read this article? Code1: 1 private delegate void BloodNumDelegate ();2 3 public delegate void ExpNumChangeDelegate (int _currentExpNum);4 5 public event ExpNumChangeDelegate mOnExpNumChangeDelegate; Code2: PlayerVoProxy. instance. mOnExpNumChangeDelega

Bind method to delegate Through the example of (1), is there a dream? So, are you wondering: In the above example, I don't have to assign a value to the name parameter directly in the greetpeople () method. I can use the variable like this: Static void main (string [] ARGs ){String name1, name2;Name1 ="Jimmy";Name2 ="Half smoke"; Greetpeople (name1, englishgreeting );Greetpeople (name2, chinesegreeting );Console. readkey ();} Since the same st

Speaking of delegates, some people who are just getting started in C # feel very tall and have no contact, but in fact a lot of people have used lambda expression, in fact, lambda expression is a delegate.About the introduction of a delegate there's a great God written in detail: Zhang Ziyang's blog in C # for delegates and events-Part.1. Follow Simin's understanding of the introduction of the commissioning1. What is a

Original article: http://www.cnblogs.com/xcj26/p/3536082.html These are common things for the older generation of programmers. They are nothing new, but they are full of charm for the new generation of programmers. Many applications, such as delegation and Expression Tree, can be mastered only after long learning, understanding, and practice. Today, I try to describe it in a simple way, so that you can read this blog within five minutes. First minute: Deleg