This article mainly introduces the + and-in-depth research commissioned in C #. This article will study the + and-what are done during the execution and deepen the understanding and use of the C # delegate, if you need a friend, you can refer to the following: why do you suddenly want to talk about delegation? Is it because a colleague thought that he had been thinking about this problem on his way out of work yesterday. if I had to subscribe to multiple methods, would I execute them all? For the sake of inquiry, I made a demo study. + We all know that delegates are inherited from System. multicastDelegate, and Syst... this article mainly introduces the commissioned + = and-= in C # for in-depth research. in this article, we will thoroughly study what things have been done during execution, to deepen understanding and use of C # delegation, if you need a friend, you can refer to the following: why did you suddenly want to talk about delegation? Is it because a colleague thought that he had been thinking about this problem on his way out of work yesterday. if I had to subscribe to multiple methods, would I execute them all? For the sake of inquiry, I made a demo study. + = We all know that delegates are inherited from System. MulticastDelegate, while System. MulticastDelegate inherits from System. Delegate. you can use + = to register multiple methods for delegates. Are they all executed? What is the execution result? Are the results of returned values the same as those of unreturned values? So let's try to talk about what + = has done? The test code is as follows: namespace Wolfy. DelegateDemo {public del
1. explain in depth the + = and-= entrusted in C #.
Introduction: events provide the ability to send notifications to the outside world for instances of classes and classes to implement communication between objects. If an event member is defined, this type has 1. the ability to register methods (+ = operator implementation) in events ). 2. the method can be deregistered in the event (-= operator implementation ). 3. When an event is triggered, the registration method will be notified (the event maintains a registration method list ). A Delegate is the carrier of an event. to define an event, a Delegate is required. For more information about delegation, click Delegate.
4. Android directory structure php operators and control structures
Overview: Android directory structure php operator and control structure: operator is a symbol used to perform some operation operations on arrays and variables. 1. arithmetic operator name example + add $ a + $ B-minus $ a-$ B * multiply by $ a * $ B/except $ a/$ B % to get the remainder $ % $ b2. the usage of compound assignment operator operators is equivalent to + = $ a + = $ B $ a = $ a + $ B-= $ a-= $ B $ a = $ a-$ B * = $ a * = $ B $ a = $ a * $ B/= $ a/= $ B $ a = $ a/$ B % = $ % = $ B $ a = $ a % $ B. = $. = $ B $ a = $. $ B increment and decrease progressively before and after
5. photoshop learning concepts related to operators in video php learning
Introduction: photoshop learning video concepts related to php learning: the code is as follows: <>=< =====! = <>! = * Comparison operator --- condition operator --- relation
6. Chinese partner's English lines solve the problem of Chinese and English string length function
Introduction: Chinese partners English lines solve Chinese and English string length problems function: Code: function strSplit ($ s, $ len) {$ end = '... '; $ Result = ''; $ strLen = strlen ($ s); if ($ strLen <= $ len) {return $ s;} $ len-= 2; for ($ I = 0; $ I <$ len & $
7. solve the problem of Chinese and English string length function _ PHP Tutorial
Introduction: This function solves the problem of Chinese and English string length. The code is as follows: functionstrSplit ($ s, $ len) {$ end = '... '; $ Result = ''; $ strLen = strlen ($ s); if ($ strLen = $ len) {return $ s;} $ len-= 2; for ($ I = 0; $ I $ len $ I $ strLen; $ I ++) {$ c = $ s [$ I];
8. use the ICQ gateway to send text messages to PHP source code _ PHP Tutorial
Brief introduction: PHP source code that uses ICQ gateway to send text messages .? //###################################### ######################// For questions and comments // Roland (alias-=: vlieg: =-) // icq #78354631 // mail: vlieg@atoomnet.net // N
9. php code for sending emails with attachments _ PHP Tutorial
Introduction: php code for sending attachments. 1, emailclass. php? = "-- = _ 846811060 = _" CMailFile (,,,,,, = "application/octet-stream", =-subject =-addr_to =-smtp_headers =-write_smtpheaders (-text_bo
10. php implementation code for sending emails with attachments, php attachment _ PHP Tutorial
Introduction: php implements code for sending attachments with attachments, and php attachments. Php implementation code for sending attachments, php attachments? Class CMailFile {var $ subject; var $ addr_to; var $ text_body; var $ text_encoded; var $ mime_headers; var $ mime_boundary = "-- =
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The above is a detailed description of-=. For more information, see other related articles in the first PHP community!