C#

I'm bored recently. I want to listen to songs. Poor new computers have only two or three songs. To listen to other songs, you have to play them on old computers. However, the old but robust book was ruthlessly occupied by his wife. Helpless. Think

  Method A method is a code block containing a series of statements. In C #, each execution command is completed in the context of the method. When declaring a method in a class or structure, you must specify the access level, return value, method

  I will introduce you to the above two topics. in NET 1.0, APM and. in NET 2.0, when using the previous two modes for asynchronous programming, you may feel more or less difficult to implement. First, it is the task-based asynchronous mode, this

Factory method mode: defines an interface for creating objects, so that the subclass decides to instantiate the class. The factory method delays the instantiation of a class to its subclass. The biggest advantage of the simple factory mode

Purpose Make a unified error handling class Requirements C/s Design Since System. Windows. Forms. MessageDrive and System. Web. MessageDrive are required I used the existing namespace in the system, which saves the trouble of referencing it

In the previous issue, we customized the icon file for the file type: Registry. SetValue (,,); If you need to define many file types (for example, a player needs to define avi, mp4, flv, and many other video format icons), you need a bunch of ico

String is the most basic data type in a variety of programming languages. It has been overwhelmed by other classes for a long time and is often disassociated (Substring, Split), torn (Join )... Now the C # data type string is "turning over and

I. Reasons for using threads 1. You can use threads to isolate code from other codes to improve application reliability. 2. You can use threads to simplify encoding. 3. Threads can be used for concurrent execution. Ii. Basic Knowledge 1. Process and

Extern "C" _ declspec (dllexport) HRESULT InitD3D (HWND hWnd );Extern "C" _ declspec (dllexport) VOID Render (); HWND handle = this. button1.Handle;InitD3D (handle );Private void Draw (){For (;;){Render ();}}

Link: http://www.feeldesignstudio.com/2013/08/data-annotations-manual   DataAnnotations are very useful in ASP. net mvc, but in other cases, such as console programs, how can we use it and directly code it, a super simple class:C

The reference type is always mysterious because it stores the memory address. For a variable of the reference type, when you perform the value assignment operation, it is transmitted in the form of an address, when you operate on a reference type in

I. managed code/unmanaged code C # The code is compiled into an assembly through the C # compiler. The Assembly is composed of Microsoft's intermediate language. CLR will open up an application domain for the Assembly, where the Assembly runs,

Operator Operator priority

: CLR allows methods to be overloaded based on whether the out or ref parameters are used. However, if the two overload methods only have the difference between out and ref, it is invalid because the metadata representation of the two signatures is

Because the software in charge of work involves a wide range of areas, it is very troublesome to change the software each time. The one key click that comes with Microsoft has never been very fond of. It may be partly because the key needs to be

Pointer type Syntax Pointer type declaration Pointer-related operators and statements

The simple factory mode returns one of several possible classes based on the provided data or parameters. The common points are a bit like polymorphism in Object-Oriented Programming. A base class has multiple Derived classes, in another calling

An exe or dll file can contain multiple ICON resources, such as user32.dll in windows and C: \ Windows \ System32 \ imageres in win7. dll files. These ICON resources can be applied to shortcuts, default icons, and so on. They can also be used as a

The C # preparation process is included in the small software that blocks automatic sleep of the system, providing a tool to prevent System sleep. Then, we immediately discovered a new demand: in order to protect the environment (save money), the

First, let's introduce MQ. The English name of MQ is MessageQueue, and the Chinese name is the message queue used by everyone. In other words, it is a container for receiving and forwarding messages, it can be used for message pushing. The following