C#

Applications can use the Transmission Control Protocol (TCP) and user data packet protocol (UDP) services through TCPClient, TCPListener, and UDPClient. These protocol classes are based on the System. Net. Sockets. Socket class, responsible for data

Introduction If you have read the delegate and event text in aspx.com/dotnet/csharp/csharp_20091008_768.html "target = _ self> C #, I think you have a basic understanding of the Delegate and event. However, there are still many issues that are far

// Configure //---------------------------------------------------------------------------------------------------// The XmlReader class is used for reading Xml files. The following describes the class://// Attributes (attribute ):// ListBox: set

When using events, we often write the following: public event EventHandler ChangedEvent;Private void OnChangedEvent (){If (ChangedEvent! = Null){ChangedEvent (this, EventArgs. Empty );}}Private void OnChangeEventAsync (){If (ChangedEvent! =

Generic Overview You can use generic types to maximize code reuse, protect type security, and improve performance. The most common use of generics is to create a collection class. The. NET Framework class library contains several new Generic

The DirectShow component is in the Quartz. in the dll dynamic library, to make C # code reference COM objects and interfaces, you must convert the COM-type library.. NET Framework metadata to effectively create a managed packaging that can be called

I have studied the knowledge of KeyDown, KeyPress, and KeyUp. Let's explain it with the following questions:  1. What is the sequence of the three events?2. Does KeyUp be triggered after KeyDown is triggered?3. Definitions of three events4.

The implementation code is as follows: ManagementBaseObject inPar = null;ManagementBaseObject outPar = null;ManagementClass mc = new ManagementClass ("Win32_NetworkAdapterConfiguration ");ManagementObjectCollection moc = mc. GetInstances ();Foreach (

Recently, we have collected some extension methods based on IEnumerable . It brings us a lot of convenience and is sometimes practical. There are Alternate, Append, Prepend, Distinct, and Contains. For more information, see UnitTest. Code:/// ///

1 public struct test2 {3 public string name;4 public string num;5}6 public struct test17 {8 public test st;9 public string name;10}11 static void Main (string [] args)12 {13 shortlist t = new shortlist ();14 test t1, t2;15 test1 tt1, tt2;16

Simulate a computer lottery program using multiple threads ,. Click scroll number to start the thread and display the background phone number cyclically. Click the lottery button to close the thread. The phone number displayed in the text box is the

Recently, I am working on Office development. When operating Word, I found a warning of "ambiguity:   The reason is simple. Let's take a look at it first: Application inherits two interfaces, both of which have a member named "Quit: _ Quit

1 // purl processing page, str parameter (e.g.: username = admin & passwod = 123456)23 // return the output content of the processing page45 // use: string data = PostData (http://www.soaspx.com/, "action = Fav & str = This is a good website ");67

The previous article has introduced the SQLite database and ADO. NET Provider for SQLite. Now we will introduce how to use c # To operate the SQLite database. 1. Download ADO. NET provider for the SQLite database engine from the

String userName = "your userName ";String passWord = "your passWord ";String domain = "domain Name ";String url = "https: // exchange server address/EWS/Exchange. asmx ";ExchangeServiceBinding exchangeServer = new ExchangeServiceBinding

Before starting this article, we must first understand what RSS is and the rules for using RSS. Section 1RSS 2.0Specifications Source: http://blogs.law.harvard.edu/tech/rss Http://tonyqus.cnblogs.com/archive/2005/01/30/93684.aspx. What isRSS? RSS is

C # No class is provided for playing audio files such as MP3. To write audio file programs such as MP3, you must use third-party controls or classes. This article uses the API function mciSendString to compile a class for playing audio files such as

The Code is as follows: Using System;Using System. Collections. Generic;Using System. ComponentModel;Using System. Data;Using System. Drawing;Using System. Text;Using System. Windows. Forms;Using System. IO;Using System. Net;Using System. Xml;Using

Asynchronously reads files, triggers an event after reading is complete, and notifies the main thread. The main thread and the reading thread are independent of each other. Using System;Using System. Collections. Generic;Using System. Text;Using

Recently, when looking at the source code of a Dictionary, I suddenly thought that there is a possibility of Implicit Memory leakage in the improper use of the Dictionary.Simplified use cases Mr. A is writing A simple book sales system. The first