C #: asynchronous programming and thread usage (. NET 4.5)
Asynchronous programming and thread processing are important features of concurrent or parallel programming. To implement asynchronous programming, you can use threads or not. Speaking of Asynchronization and thread at the same time will help us better understa
()) ); //console.writeline (string. Format ("The delegate call returned the string:" {0} ", and the number {1}", S, iexecthread.tostring ()); } #endregion private void Button1_Click (object sender, EventArgs e) { // Demosynccall (); //demoendinvoke (); //demowaithandle (); //demopolling (); democallback (); } } }
The new thread that comes out asynchronously must be recycled, and not recycled is a shameful act of wasting resources. NET is also not allowed, so you do
Based on the synchronous communication of socket in C #, this paper analyzes and studies the realization method of socket asynchronous programming, in order to understand the basic principle of socket programming and to enhance the understanding of the related content of network game development. what is asynchronous for socket programming is implemented
The
//////////////////////////////////////// //////////////////////////////////////// ///////////*Title: Use asynchronous Socket programming in C # To implement the C/S communication architecture of TCP network services (I) ---- Basic Library SectionWhen I see TcpListener and TcpClient in. NET, I am very happy, that is, the communication mode I want.However, we can s
, run callback function"); AsyncResult AsyncResult=(AsyncResult) IAsyncResult; Console.WriteLine (Asyncresult.asyncstate as string); Get a delegate instance by AsyncResult type instance Numberadd numberadd=(Numberadd) asyncresult.asyncdelegate; intresult =Numberadd.endinvoke (IAsyncResult); Console.WriteLine ("main thread Get the result: {0}", result); }SummarizeThis article describes the BeginInvoke () and EndInvoke () methods that the C # compiler g
Use asynchronous socket programming in C # To implement the C/S communication architecture of TCP network services (ii) ---- usageI. How to Use tcpsvrA. Test procedure:Using system;Using IBMs. net. tcpcsframework;Using system. collections;Using system. net. Sockets;
Namespace IBMs. Test{/// /// Test the tcpsvr class/// Public class testtcpsvr{Public testtcpsvr ()
operations.Second, multi-threaded programmingJust this time in the network programming, here in conjunction with multi-threaded and network programming, to meet the multi-client request service side. The Accept () method of the Socket class waits until there is a client connection request. Socket network programming can be referenced in C # Network programming socket programming.There are special asynchronous
The nature of asynchronous operationsSpecifies a callback function for the Async method before the method call, which is executed by a thread in the thread pool after the method call. The main thread returns immediately, continuing to perform other work or responding to user requests. If the Async method finishes executing, the callback function is automatically executed to handle the invocation result of the asyn
In this paper, the method of asynchronous invocation in C # is presented, and the principle of it is analyzed in depth, which is now shared by the tutorial for everyone's reference. Specific as follows:First, let's look at a simple example:Xiao Ming in boiling water, and so on after the boil, will pour water into the thermos, and then began to tidy up the houseworkXiaowen in the process of boiling water, cl
effect you expectStatic Async taskint> tentosevenasync () { await task.delay (+); return 7 ;}Task.delay is actually an asynchronous version of Tread,sleep that returns a task that will be completed within the specified time.Time handlers and Async methods with no return valueAsync methods can be created from other async methods using await, but where does the async end?In the client program, the usual answer is that the
C # Delegate asynchronous call,
This article will mainly explain the differences and advantages and disadvantages of using the "synchronous call", "Asynchronous call", and "Asynchronous callback" to execute the same "addition class" with a delegate.
First, use the code to define a delegate and the methods to be called
();} static void callback function (IAsyncResult result) { //result is "additive class." The return value of the ADD () method //asyncresult is an implementation class for the IAsyncResult interface, reference space: System.Runtime.Remoting.Messaging The //asyncdelegate property can be cast to the actual class of a user-defined delegate. AddHandler handler = (AddHandler) (( AsyncResult) result). AsyncDelegate; Console.WriteLine (handler. EndInvoke (result)); Console.WriteLine (re
[Reading Notes] C # advanced programming Chapter 1 asynchronous programming,
(1) Importance of asynchronous programming
In asynchronous programming, method calls are run in the background (usually with the help of a thread or task) and do not block the call thread. There are three different
Let's start with a simple example:
Xiao Ming in boiling water, and so on after the boil, will pour water into the thermos, and then began to tidy up the housework
Xiaowen in the process of boiling water, cleaning up the housework, and so on after the boil, put down the hands of housework, the boiling water into the thermos, and then continue to tidy up the housework
This is also a common situation in daily life, the efficiency of the small text is significantly higher than xiao
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C # asynchronous call method,
The company needs to call an external webservice for work. At the same time, it needs to save the outgoing data. As a result, we plan to perform operations step by step as we used, I have never considered the user experience. With my colleagues' guidance, I am aware of the benefits of using asynchronous calls. I just want to save som
C # Asynchronous delegate (asynchronous method invocation): Synchronous invocation:--> invocation of a time-consuming method]--> blocking the current thread-->[method call completion--> continue execution. Asynchronous invocation:--------------------------------------------------------------------------------Delegate E
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