C#

First, chapter review:Cycle. A syntactic form that executes a sentence repeatedly.1. Basic syntax:for (initial condition; cyclic condition; change of State){Loop body}The four elements of the loop.The execution process of the loop. Initial

One: terminating state and non-terminating state first of all, the terminating state and the non-terminating state of the thread. In the constructors of AutoResetEvent and ManualResetEvent, there are bool variables to indicate the terminating

This.speecher.SpeakAsync (Texttospeak); ErrorCOM objects of type ' system.__comobject cannot be cast to interface type ' System.Speech.Internal.SapiInterop.ISpDataKey '. This operation failed because the COM component call to the interface with IID '

Differences between new and override in C #Recently, I briefly reviewed the keywords that need to be used to inherit this feature in C #. Some of the key points are specially sorted out for your convenience. This problem was also mentioned in a

Simple, so do not ignore the actual application that \ r \ n and \ n programmers should understand. Do not ignore the programmer As we all know, \ r is a carriage return and \ n is a linefeed. For historical reasons, the line break in windows is \ r

Return the information of the selected check box to the user. Select the check box. /// /// Custom method to obtain the values selected in the check box, which are separated by the specified separator/// /// delimiter /// check box name ///

C # multiple threads keep running While (true ), When multithreading is used, multiple threads are always running While (true), which causes high CPU usage. In this case, add Thread. Sleep (1) to the Thread and let him Sleep a little. It won't

C # iterator,1. Overview The iterator is used to traverse a set. Iterators can be defined as methods or get accessors. You cannot use an iterator in event, instance constructor, static constructor, or static destructor. The yield keyword is

Md5 encryption and md5 decryption   1 public static string GetMD5 (string str) 2 {3 // create an MD5 object 4 MD5 md5 = MD5.Create (); 5 // start to use the MD5 object for encryption 6 byte [] buffer = Encoding. default. getBytes (str); 7 byte []

[C #] Getting the printer list,I. Obtain the list of locally installed printers Note: (if you have added a LAN printer to the device and printer, it is also a locally installed printer. If you have not added a LAN printer, It is counted as a LAN

. Net public account development-Quick Start and. net Quick Start Author: Wang Xianrong Recently, I was studying public account development and made the learning achievements into a class library to facilitate reuse. The following results are

C # asynchronous Socket Tcp server implementationIntroduction In c #, Microsoft has provided TcpListener and TcpClient to achieve Tcp communication, this Part has been written by some people to better Asynchronous Server code

Extension Method, c # Extension Method   The extension method enables you to "add" methods to existing types without creating a new derived type, re-compiling, or modifying the original type in other ways. An extension method is a special static

C # Reading remote host performance counters, PerformanceCounter pc = new PerformanceCounter("Web Service", "Current Connections", "Default Web

C # ActiveX Control DevelopmentFor ActiveX control development, there are many examples on the Internet. It took a whole day to study yesterday. most examples on the Internet use JavaScript to call controls. To implement the event of "corresponding"

Attempting to execute managed code within the OS loader lock. Do not try to run managed code in the DllMain or image initialization function, osdllmainWhen I call an external dll during form initialization, it throws a "attempt to execute managed

C # Baidu map development (5) IP location Previously, we have implemented coordinate positioning and front-end display, while coordinate acquisition is generally only on mobile devices, which is hard to be obtained on PCs. But on the PC side, we can

C # Write the txt data in Notepad into the database by row-by-Row Element, In fact, the most important method here is ReadLine () in the StreamReader class. This method can read the data in the txt stream row by row. I wrote a simple demo and added

C # detects and removes local/remote processes, Xkill [original]   Author: R & S E-mail: yrwithsh@vip.sina.com HomePage: fz5fz.yeah.net Date: 10/04/2003   Using System; Using System. Management; Using System. Threading;   Class xkill { Public static

C # access the configuration file in the programZookeeper C # access the configuration file in the program In C # programming, the configuration file is sometimes used. How can I obtain or modify the relevant data in the configuration file in the