C#

C # multithreading mechanism (3) Note that other threads are attached to the thread where the Main () function is located. The Main () function is the entry of the C # program. The starting thread can be called the Main thread, if all foreground

3. Indexer C # by providing an indexer, You can process objects like an array. In particular, attributes. Each element is exposed using a get or set method. Public class Skyscraper { Story [] stories; Public Story this [int index] { Get {

9. Consistent types Most languages have basic types (int, long, and so on ). Advanced types are ultimately composed of basic types. It is usually useful to process basic and advanced types in the same way. For example, it is useful if the set can be

23. constructor and destructor You can specify the optional constructor parameters: Class Test { Public Test (): this (0, null ){} Public Test (int x, object o ){} } You can also specify the static constructor: Class Test { Static int []

24. Controlled execution environment Comparing [C #/IL code/CLR] and [Java/bytecode/JVM] is inevitable and legitimate. I think the best way is to first figure out why these technologies are created. Write programs in C and C ++. Generally, the

Mr. Jon jarger is a person with rich experiences. His articles are simple and thought-provoking. If you can browse on his website, you will certainly benefit a lot. Although this article is relatively simple, it will inevitably lead to errors in

1. Brief description of the hash table (Hashtable) In. in the. NET Framework, Hashtable is System. A container provided by the Collections namespace is used to process and present key-value pairs similar to key/value. The key is usually used for

I am using a very stupid method, but it can help beginners understand the process of accessing XML nodes. It is known that there is an XML file (bookstore. xml) as follows: Oberons Legacy Corets, Eva 5.95  1. Insert a node to the

In the Microsoft news group, I saw a post from jizira asking how to put users' photos in Excel.I thought it should be very simple, so I first recorded a macro and the result is:ActiveSheet. Pictures. Insert ("D: t.bmp"). Select However, in C #, the

Here is an example of the simplest DirectX playing sound. I try to omit irrelevant code. The last code is only 19 lines. Is it easy enough? Preparations: 1. Install the DirectX SDK (with 9 DLL files ). Here we only use MicroSoft. DirectX. dll and

If you use MFC to write too many document interfaces (MDI) Windows programs, you must know that if the parent window is titled "PCaption" and the Child Window is titled "CCaption ", when the sub-window is maximized and activated, the sub-window

Get the file version information: FileVersionInfo myFileVersionInfo1 = FileVersionInfo. GetVersionInfo ("D: \ TEST. DLL ");TextBox1.Text = "version:" + myFileVersionInfo1.FileVersion; Modify file attributes and delete read-only files:

I. PrefaceThe. NET Framework is a very new technology in the Windows application field. It is certain that in the future,. NET applications must interact with existing Windows technologies. This interaction is mainly reflected in two areas: COM and

Author: Wang TianIn this article, we will introduce a basic operation of Visual C # on the database, that is, how to add records to the database. We will introduce some database operation examples in detail. To better illustrate this problem, two

When I learned these things, I checked them online for a long time. I felt very professional. It was hard for beginners to understand when to use them. It was also difficult to find a simple introduction. I would like to explain it a little

The server is used to receive files. It keeps listening to the port and starts receiving files immediately after a file is sent.Server code: UsingSystem; UsingSystem. Collections. Generic; UsingSystem. ComponentModel; UsingSystem. Data;

Many extensions have been implemented since the beginning of the series of articles, but too many extensions will cause us a lot of trouble. tips:   In the face of so many "flood" extensions, many people will feel awkward. There is indeed a sense of

/// /// Convert Chinese characters to hexadecimal/// /// /// Public static string GetHexFromChs (string s){If (s. Length % 2 )! = 0){S + = ""; // Space// Throw new ArgumentException ("s is not valid chinese string! ");}System. Text. Encoding chs =

Start learning ASP today. net mvc. net mvc Architecture and practice, we can see that there is such a component RouteMonitor. dll, I think it is quite practical. It can be used to check the ing matching of Url paths. You only need to enter the

1. namespace:　　 System. Collections. Generic (Assembly: mscorlib)2. Description:1) ing from a group of keys to a group of values. Each add item is composed of a Value and its associated keys.2) any key must be unique.3) The key cannot be null