C#

IDictionary is the base interface of the generic set of key/value pairs. Each element has a key-value pair in the keyValuepair object. Each pair must have a unique key. Whether to allow null reference of key (Nothing in Visual Basic) is different.

As the company needs to print a bar code, a Demo is provided for some materials. Special advice! I do not know if this barcode is correct: Figure:   Source code:  Code Code highlighting produced by Actipro CodeHighlighter

INI is a file with the extension "INI". In fact, INI is a text file. It can work in notepad and mainly stores user choices or various system parameters.The INI file is not a common text file. it has its own structure. it consists of several sections.

This article uses an event to simulate the process of water heater burning, which is similar to this: The water heater starts to heat the water. When the water is heated to more than 95 degrees, the water heater's alarm starts and the current water

Dictionary is a generic It has a set function. Sometimes it can be viewed as an array. Its structure is as follows: Dictionary It is characteristic that the stored object needs to be saved to the generic type one-to-one correspondence with the

/// /// C # delete a folder// Usage: DeleteFolder (@ "c: \ 1 ");/// /// Private static void DeleteFolder (string dir){// Content in the loop folderForeach (string f in Directory. GetFileSystemEntries (dir )){// If the object existsIf (File. Exists (

DateTime dt = DateTime. Now; // current time DateTime startWeek = dt. AddDays (1-Convert. ToInt32 (dt. DayOfWeek. ToString ("d"); // Monday of the weekDateTime endWeek = startWeek. AddDays (6); // Sunday of the week DateTime startMonth = dt. AddDays

During the past two days, I have been working on data verification on the page. Many of them require regular expressions for verification. This is a headache. I have found a lot of information on the Internet and I will find some posts here, it will

/// /// Truncate a string by byte length (supports truncate a string with HTML code style)/// /// string parameter to be truncated /// truncated bytes /// string added at the end of the string /// returns the truncated string Public string

1. Any programming language has related data types. C # is no exception. Its basic data types include int, short, long, float, double, and string. Data types can be converted to each other. However, during the conversion process, note that small

Destructor are declared in the following form:[Attributes] ~ Identifier () {destructor-body}Where:Attributes (optional)Additional declarative information. For more information about attributes and attribute classes, see C #

Public static void SetControlsReadOnly (Control control) { Foreach (Control c in control. Controls) { If (c is Panel) { SetControlsReadOnly (c ); } /* If (c is GroupBox) { SetControlsReadOnly (c ); } If (c is tabControl) {

A Stream is a group of continuous data that has the beginning and end, and uses a cursor to indicate the current position. The data contained in the Stream can be from the memory MemoryStream, file FileStream, or the TCP/IP socket

I recently used ASP. net mvc 3. When I input HTML code to the server through the TinyMCE HTML editor, I received the following error message: Exception details: System. Web. HttpRequestValidationException: Potential Request. Form values are detected

C # reference for ActiveX control development: Http://www.cnblogs.com/zhf/archive/2009/03/02/1401299.html Http://www.cnblogs.com/homer/archive/2005/01/08/88780.html   C # For details about ActiveX development, see the above two articles. 1. to

Today, a c # random number generation solution is required.The following are ideas:First, create a list ArrayList list, set its length to 20, assign a value to it, from 1 to 20.Then a Random number is generated, which is Random r = new Random ().

It is easy to register A method similar to ctr + alt + shit + A + Z. Set the 3rd parameters of RegisterHotKey to KeyModifiers. Alt | KeyModifiers. Control | KeyModifiers. Shift,Set the 4th parameters to Keys. B | Keys. Z. Using System;Using System.

A class is a custom type consisting of field data (member variables) and members (attributes, methods, constructors, events, and so on) operating field data. Field data indicates the status of the class instance (object. In C #, classes are defined

Events are an important concept in the C # programming model. Through understanding events, you can better understand the program running mechanism of C. Events in C # can be simply understood as one thing happened to a class or object, and the

Timer class: sets a Timer to regularly execute user-specified functions.After the timer starts, the system automatically creates a new thread to execute the user-specified function.Initialize a Timer object:Timer timer = new Timer (timerDelegate, s,