Detailed introduction to related APIs

1. The search process of window classes In the previous article, we introduced the three window classes of the windows system - system window class, global window class and local window class. Each window class has a different scope in the operating system, and the window class name registered in each scope cannot be repeated. When creating a window, it is often searched according to the window class name in the system, global, and local scopes. The search process is summarized as follows: (1) The operating system searches in the local window class based on the incoming window class name. If it is found, execute the Step 2, if not found, go to step 3. (2) Compare the local window class with the HINSTANCE variable passed in when creating the window. If they are found to be equal, it means that the created and registered windows are in the same module, and the created window is returned. If not equal, continue to step 3. (3) Search in the application global window class. If found, go to step 4. If not found, go to step 5. (4) Use the found window class information to create a window and return. (5) Search in the system window class. If found, create the window. If not found, the window creation fails. 2. API for registering window classes RegisterCla

1.Win32 SDK Basics (6) Detailed explanation of the window class search process and related API

Introduction: 1. The search process of window classes In the previous article, we introduced the three window classes of the windows system-system window class, global window class and Partial window class. Each window class has a different scope in the operating system, and the window class name registered in each scope cannot be repeated. When creating a window, it is often searched according to the window class name in the system, global, and local scopes. The search process is summarized as follows: (1) The operating system searches in the local window class based on the incoming window class name. If it is found, execute the Step 2, if not found, go to step 3. (2

##2.Detailed introduction to HTML5 element drag and drop related APIs (pictures and text)

Introduction: In fact, HTML5 just adds some useful APIs, allowing us to develop more easily and focus more on business logic. The use of these APIs is also It’s very simple, but my memory is not very good, so I recorded it in the form of a blog (manual funny) Today I will write about this drag and drop API default drag Speaking of drag and drop, in fact, the first one to implement drag and drop function was IE (IE4) H5 is the drag and drop specification specified based on the IE instance. In the browser, there is a default drag and drop, such as the drag and drop of the image, the drag and drop of the selected text, and the drag and drop element

3.PHP query ip location (province, city)_PHP tutorial

##Introduction: PHP queries the IP location (province, city). The article introduces the use of relevant API interfaces to obtain a PHP instance based on the client's IP address. Let's take a look at it today.

4.

PHP query ip location (province, city)

##Introduction: The article introduces the use of relevant api interfaces to obtain a php instance in the city area based on the client IP address. Let's take a look at it together

##5.Based on. Tungsten API synchronizes mysql binlog to solve the problem of EOF packet received

Introduction: Project needs to know the data updated by mysql in real time, so it is necessary to synchronize the binlog log data of the corresponding mysql node and parse it , APIs related to synchronization and parsing tungsten are6.

javascript - Does chrome provide such an API

Introduction: I want to pre-replace or replace certain content in the source code of the web page, such as bad words, links, pictures, etc., before loading the web page and then displaying it to the user, instead of replacing it after loading. , is there any relevant API that can be implemented, or is there something similar...

7.Call the Alipay PHP interface API to realize the online instant payment function (UTF

Introduction: This time we want to implement the order function in the project, Therefore, to complete online payment, online payment generally has two methods: online banking payment and third-party payment (Alipay, paypal, etc.). For the sake of simplicity, we first complete the Alipay online payment function. Since the project is based on the Yii framework and uses UTF-8 encoding , so it is obviously necessary to use the PHPUTF-8 related API in the Alipay interface to implement it.

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