timer object

In many applications, windows services are required to operate databases, such (1) Some very slow database operations, don't want to do it all at once, and want to do it slowly through regular service, such as regular database backup. (2) Use

1. What is a kernel object? The kernel object is a memory block allocated by the operating system. The memory block is a data structure used to manage various object information. When the application needs to interact with the system device, it will

The effect of the three-day music spectrum: Includes five classes: MusicControl class, which is used to control music, including the control of music loading and playback. ID3Control class, used to extract information related to music files,

When compiling a QT program, you often need to use the timer qtimer to execute some scheduled tasks. However, when the scheduled task execution takes too long, the response of the entire interface will be affected, therefore, you may want to use

Ajax learning notes (2) and ajax learning notesIi. prototype library details1. Use of prototype Library// Import the downloaded prototype. js File// Directly use the Prototype object in your own js2. Use the $ () function and $ () function to access

We will study how to create an application as a Windows ServiceProgram. The content includes what is a Windows service and how to create, install, and debug them. The system. serviceprocess. servicebase namespace class is used.What is a Windows

In many applications, Windows services are required to operate databases, such(1) Some very slow database operations, don't want to do it all at once, and want to do it slowly through regular service, such as regular database backup.(2) Use Windows

(1) cited classics (msdn ): 1. A unit is a logical container of objects within a process that have the same thread access requirements. All objects in the same unit can receive calls from any thread in the unit .. . NET Framework does not use

One major difference between the debug and release modes of the DOTNET project is whether the compiler optimization is enabled. Due to the use of editor Optimization in release, some of the original operations are normal.CodeThere will be problems.

1) iPhone Program One way to achieve screenshot capture in the iPhone program: // import the header file # import quartzcore/quartzcore. h // set the entire self. create an image uigraphicsbeginimagecontext (self. view. bounds. size); [self. view.

In many applications, the Windows Service is required to perform some operations silently in the background, such: 1. Regular database backup. 2. Send regular emails or text messages. Simply put, the system is able to do some things silently

Multithreading is a feature of many operating systems and can be greatly improved. Program Multi-threaded programming technology is widely used by programmers. At present, Microsoft's. NET strategy is being further promoted, and various related

Briefly introduces the basic classes of OC. CategoryOC's built-in capability to expand already-existing classes is one of its most powerful features. This behavioral expansion is called a category. Categories extend class functionality without

To achieve the slide function, you need the help of the timer object. To this end, you need to add the code in [Form class constructor: // You must explicitly declare the timer control for slide to reduce the latency of each call. Mytimer = new

Based on the code in the previous tutorial, we added a timerclass class. The function of this class is very simple, that is, it can calculate the time difference between two adjacent frames. This time difference can be used to achieve smooth

How to create an application as a Windows service. The content includes what is a Windows service and how to create, install, and debug them. The system. serviceprocess. servicebase namespace class is used. What is a Windows service? Windows

Recently, I was working on a simple Screen Saver. The function was very simple, that is, to start a screen saver at a certain interval when the machine was not used for a long time. I want to play some media files (. Avi,. wmv) and Flash files.

I. Dom OverviewDom-Document Object Model is a set of web standards developed by W3C international organizations. It defines a set of attributes, methods, and events for accessing HTML document objects.Dom is a collection of nodes or information

Some people may wonder, what is the role of so many threads in practical applications? Here I use multiple threads to download an object. Server Page:   Description: CLR via C # The server page is just a simple display of some

Chapter 1: Error Handling   Use the getlasterror function to obtain more error information, or use @ err and HR (vs2005) in the Monitoring Box to obtain error information, not just error numbers.   Chapter 2: character and string processing 　　 In an