C#

Through the sina Weibo api Group microblog, I used the sdk provided by sina and made minor changes to it, skipping the oauth page authentication. This sdk is easy to use. The following describes the implementation method and provides a reference for

1. Do not wait for the sub-process to complete view plaincopy to clipboardPRint?··· · 50 ······· · 90 ····· · 140 · 150Private void simpleRun_Click (object sender, System. EventArgs e){System. Diagnostics. Process. Start (@ "C: listfiles. bat

C #2005 and later do not support multi-thread direct access to interface controls (the interface creation thread is not the same as the access thread), but can be solved using delegate: 1. Declare a delegate and define an implementation function of

Reflection definition: the ability to review metadata and collect information about its type. Metadata (the most basic data unit after compilation) is a lot of tables. When compiling an assembly or module, the compiler creates a class definition

Generally, it is not hosted.The specific format is as follows: [DllImport ("WZFSE. dll", CharSet = CharSet. Ansi, CallingConvention = CallingConvention. StdCall)]The following is his declarative function.Public static extern void InitDll (IntPtr

Multiple Silverlight applications running on the same computer can communicate with each other through local messages. Communication is performed on the client and does not need to interact with the server. This feature enables communication between

  Function parameters are called polymorphism. Can the parameter types of a function be determined? Can a function return only one value? Is the return value of the function uncertain? Generic is a special type that delays the work of a specified

The following is the core generation segment, which is included in the xml file of the attachment.XmlDocument xmlDocument = new XmlDocument (); // create xml documentXmlNode xmlNode = xmlDocument. CreateNode (XmlNodeType. XmlDeclaration, "", ""); //

The Code is as follows: View plaincopy to clipboardprint? Class Program{Static void Main (string [] args){String filePath = @ "C: \ log.txt "; Trace. Listeners. Add (new LogTraceListener (filePath ));Trace. Listeners. Add (new

We may often hear about serialization and deserialization. In fact, a simple explanation is that serialization stores an object in a file or database field, deserialization is to convert the file to the original object at an appropriate time.I think

We will introduce the comparison between C # array sorting and object size, including some instance code and the usage of three interfaces: IComparable, IComparable, and IComparer.Starting from a small example:Int [] intArray = new int [] {2, 3, 6, 1

/** Subject: a total of 1000 bottles of soda * an empty bottle is obtained after each bottle is finished * one bottle of soda can be changed for each 3 empty bottles, and an empty bottle is obtained after drinking, how many bottles of soda can be

Usage class: PrintDocument, PrinterSettings, IList, ListPrivate static PrintDocument fPrintDocument = new PrintDocument ();/// /// Fetch local printer name./// Public static string DefaultPrinter{Get{Return fPrintDocument. PrinterSettings.

Sometimes it is necessary to intercept keyboard events so that the program can be executed according to the designer's requirements. Protected override void WndProc (ref Message m){Const int WM_HOTKEY = 0x0312; // hotkey messageIf (m. Msg =

C #'s LINQ method is undoubtedly very convenient to access the database. The following describes the basic method for accessing MSSQL using the LINQ method.     First declare the namespace using System. Data. SqlClient;   Then use the SqlConnection

  Code compiling and running environment Visual Studio 2010. NET v4.0.30319     Using System; Using System. Collections. Generic; Using System. Linq; Using System. Text; Using System. Text. RegularExpressions;   Namespace DelegateUseInRegexReplace {

Why do I needSQLite * Lightweight, flexible, and based on a single database file, it facilitates creation and movement, and facilitates classified data storage (by business, by function, by date, by customer, etc ), it is very suitable for use with

  Attribute) The definition provided by MSDN: Attribute Class associates predefined system information or user-defined custom information with the target element. The target element can be an assembly, class, constructor, Delegate, enumeration,

  DataSet ds = new DataSet (); SqlConnection conn = new SqlConnection (Properties. Settings. Default. MyDataBaseConnectionString ); Conn. Open (); SqlCommand cmd = new SqlCommand ("GetTablePro", conn ); Cmd. CommandType = CommandType.

Today, we use C # To write a program to Operate Excel, read the cell content and generate a String according to the required Format, and use the string. format (String Format, object arg0) method. Previously, only "{0}" was known as the index