C#

1. The first C # program: the classic routine Hello World "Hello World" can be said to be the first routine to learn every programming language. You can enter the following C # code in any editor, such as NotePad and Wordpad, save it as helloworld.

Use C # To create a screen capture program With the further development of Microsoft. Net's strategy, various new technologies and concepts emerge one after another, especially the launch of C # language, which has a significant impact on the

In this article, we will use Microsoft's latest. Net Framework-C # To create a 10 thousand notebook (the program used in this article is a notebook with Calendar function ). Start Microsoft VS. NET (Visual Studio. NET) to create a new project.

Visual Studio. NET Chinese Version Beta 2 has been released for some time. Compared with the early version of Beta 1, the new version has undergone great changes in various aspects, including SQL Server programming, in Chinese Beta 2, database

This example is used to import the content in ListView to Excel. Unlike the commonly used cell-by-cell writing, this example uses the data Writing Method to range. This method is more efficient.Excel. Application app = new Excel. ApplicationClass ();

In development. for database applications on the. NET platform, DataSet is generally used as ADO. NET core class, which provides us with powerful functions, and looks like a small database in memory, including DataTable, DataView, DataRow,

Abstract:Learn how to use the DirectShow control in Microsoft Visual C #. NET and develop a media player. Follow the procedure described in this article to create a simple Visual C # application for playing digital audio and video.　　

Section 7 overwrite virtual Interfaces Sometimes we need to express an abstract thing. It is a generalization of something, but we cannot really see it as an entity before our eyes, therefore, the object-oriented programming language has the

Author: Song HuaPrevious Article Visual C #. net network program development-Socket: classes that support Http, Tcp, and Udp form a layer-3 TCP/IP model (Request Response layer, application protocol layer, and Transport Layer) the middle

MediaPlay 9 Right-click the toolkit-> select item (I)...-> display "select toolkit item"-> COM component-> Windows Media Player wmp. dll add AxWindowsMediaPlayer1.windowlessVideo = false; // if it is set to false, double-click the screen to enable

  using System;   using System.ComponentModel;   using System.Windows.Forms;   using System.Threading;     namespace AutoResetEventTest   {       public partial class Form1 : Form       {  

Windows Services are called NT Services in earlier versions of Visual Studio, and new names are enabled in VS.net. Using Visual C # To create a Windows service is not difficult. This article will guide you step by step to create a Windows service

String is the most commonly used class in c #. Compared with its usage frequency, string has few operations. There are only about 30 instance methods and more than 10 static methods, it is far from meeting our daily needs.This article uses the

Disable Time Code If (MessageBox. Show ("are you sure you want to disable the system? "," Close confirmation ", MessageBoxButtons. OKCancel, MessageBoxIcon. Question) = DialogResult. OK ){Application. Exit ();} If there are multiple places to write,

1 /// 2 // machine code3 /// 4 public class MachineCode5 {6 /// 7 // obtain the cpu serial number8 /// 9 /// string 10 public string GetCpuInfo ()11 {12 string cpuInfo = "";13 using (ManagementClass cimobject = new ManagementClass ("Win32_Processor

Introduction 1. Understand Multithreading 2. asynchronous thread synchronization 3. Create a multi-threaded Application 3.1 Build through the class of the System. Threading namespace 3.1.1 asynchronous call thread 3.1.2 concurrency Problems 3.1.3

Class and interface implementation Interface Definition: specify a name for a group of method signatures. Class implementation interface, you must provide the implementation of all methods of the interface. Even the abstract class must be fully

ASP. NET user controls are generally used to generate relatively static content, so there is no builtin event support. This topic describes how a user control returns an event. Assume that the user control (UserControl. ascx) contains the button

I have always been interested in how to implement virtual methods and rewrite object-oriented languages. Although I know how to use the most basic design method, however, I have never found any detailed information to tell me how C # works.There is

The Code is as follows: Using System;Using System. Collections. Generic;Using System. ComponentModel;Using System. Drawing;Using System. Drawing. Text;Using System. Drawing. Drawing2D;Using System. Data;Using System. Text;Using System. Windows.