1. CLR-Common Language Runtime provides the Runtime environment for. NET applications. Locates, loads, and manages. NET types, and is also responsible for some underlying details, such as memory management, application domain creation, thread and
1. Differences between static and non-static methods: Example 1 :( 1) static Method namespace static method {class Program {public static int Add (int x, int y) // declare a static method {return x + y;} static void Main (string [] args) {Console.
Use of $ in OGNL 1 .. in the international resource file, reference OGNL expression 2 .. in struts. in the xml file, reference the use of the "%" sign in the OGNL expression OGNL 1 .. you can use % {} to retrieve the Action object stored in the
1. switch statement: determines the season of the month entered by the user. namespace switch statement {class Program {static void Main (string [] args) {// determines the season Console for the month you entered. writeLine ("enter a month! "); Int
FactoryMethod mode: defines a factory interface for creating a product object, which delays the actual creation to the subclass. That is to say, the core factory category is no longer responsible for product creation, but only responsible for the
The two short poems can summarize my learning mood at the moment! The first chapter of this book, the big talk design model, is not long, but I have gained a deep understanding of my own code writing capabilities. It turns out that the code is not
section -->Attribute description:Name-specify the service configuration for which the service is targeted. It is a fully qualified name for a service that implements certain Contract.(Namespace. type name), after ServiceHost loads a service, it will
For remote camera monitoring and network data transmission, many of them are based on Tcp, because QQ uses Udp, and I also try to use Udp.
If you want to use Udp to transmit data, you can avoid subcontracting and repackaging, because Udp can only
In winform, some key interfaces are often controlled and cannot be closed by users. How can this be better?
By default, the form close function cannot be disabled in the system. However, sometimes we need this function to block system problems
To meet the project requirements, add the keyboard ESC response to the full screen Form. The effect is to press the Escape key on the keyboard in the full screen, and the program ends.
I thought it was quite simple, but it took a while to solve it.
WPF is widely used, and the Development user interface is indeed very convenient. Sometimes it is necessary to call a lot of DLL libraries previously written in C ++, which involves how to call the DLL compiled in C ++ in C sharp. After some
/// /// Segment the data based on the start and end point to return a set of result points/// Public ObservableCollection BuildDrawLineData (ObservableCollection MapPointList, string StartPeg, string StopPeg){ObservableCollection Result = new
I have always wanted to write a Listview component with a progress bar for future use. Because I am busy at work and have no time, I don't want to change my work time, so I am too lazy to write. It took some time to write it out when I was not busy
PeratorOperator keywords are used to declare operators in class or structure declaration. The operator declaration can take one of the following four forms:Public static result-type operator unary-operator (op-type operand)Public static result-type
Displaying the interface in an irregular shape on the desktop gives you a fresh feeling.
022 non-rectangular form
In the. NET4.0 framework, you can easily implement this function without calling APIs. You only need to override the OnPaint method of
C # does not have the concept of global variables. You can define a common class to store all the required global variables through static variables. You can call them through common when calling them. For example, public static class common //
In the actual software development process, because the company uses multiple languages for development, a function may need to be implemented in C #, and this function may have been implemented in other languages, can we call modules written in
Test two methods to obtain the status code. The first method is HttpWebRequest.
Public void GetHead (string url) {WebRequest Http = WebRequest. create (url); Http. method = "HEAD" // set Method to HEADtry {HttpWebResponse response = (HttpWebResponse)
Principles: 1. A simple array of value types. Each array member is a reference (pointer) that references the space on the stack (because the memory of the value type variable is allocated on the stack) 2. An array of the reference type and class
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