windows api book

instance 6 . Get vlm media event managerVlc_public_api libvlc_event_manager_t * Libvlc_vlm_get_event_manager (libvlc_instance_t * P_instance );Param:P_instance: libvlc instance Note: Generally, we need "release" after "get", such as getdc () of Windows API and corresponding releasedc, there is also a corresponding "release" for obtaining the event manager here ". VoidLibvlc_event_manager_release (l

position less 0, skip Int x = cxchar * (1-nhorzpos ); Int y = cychar * (I-nvertpos ); : Textout (HDC, X, Y, sysmetrics [I]. szlabel, lstrlen (sysmetrics [I]. szlabel )); : Textout (HDC, x + 22 * cxcaps, Y, sysmetrics [I]. szdesc, lstrlen (sysmetrics [I]. szdesc )); : Settextalign (HDC, ta_right | ta_top ); : Textout (HDC, x + 22 * cxcaps + 40 * cxchar, Y, szbuffer, wsprintf (szbuffer, _ T ("% 5d "),:: getsystemmetrics (sysmetrics [I]. index ))); : Settextalign (HDC, ta_left | ta_top );

The following example uses the OpenProcessToken and gettokeninformation functions to get the group Membe Rships in an access token.The gettokeninformation function retrieves a specified type of information about a access token. The calling process must has appropriate access rights to obtain the information.Reference:Https://msdn.microsoft.com/en-us/library/windows/desktop/aa379554%28v=vs.85%29.aspxThe openprocesstoken function opens the access token

I wrote about the firewall settings under Vista a few days ago. Today I think all the firewalls have corresponding APIs. Is there any corresponding API for automatic update? What is the difference between Vista and XP? Start a day's investigation with this question. After checking a lot of information, find that Windows Update must be operated through Windows U

This article mainly introduces Python using Windows API to create Windows operations, in conjunction with instance form analysis of Python based on the Win32gui module call Windows API Creation window specific steps and related implementation tips, the need for friends can r

We all know that mobile phones can use tel: for one-click dialing. in windows, is there any js call to an api of a network call (such as skype) to achieve better hardware for one-click dialing. The current requirement is: one Windows xp system, one landline server, and xp can access their own websites... we all know that one-click dialing can be performed on the

completed or do not need to be processed. In fact, the messages that many programmers do not pay attention to are handled by defwindowproc. If a message is not handed over to defwindowproc in the message processing function, there is almost no response to the window action, including moving the window, closing the window, and many other window styles cannot be displayed. Generally, unless the programmer determines that a message does not need to be processed by defwindowproc, it is bes

CheckArticleIf you haven't read my previous articles, see windows auto update API (1 ).This article describes how to automatically update the Search Class: updatesearcherclass. Updatesearcherclass: Search for available updates and installed updates Search for installed updates:The queryhistory (INT startindex, int count) method is used. startindex -- starts from the index number (starting from 0) and co

The Windows API-based authoring program for Windows Animation has a handy, non-dependent IDE feature.Taking the stochastic motion particle system as an example, the animation frame is implemented, and the C + + code is as follows:#include Implementation of particle random motion C + + based on Windows

What happened a week ago, when I wanted to feel the MySQL C API, I wrote a few small examples. Although it is on Windows (my work computer is 64-bit Windows) above, but do not want to use VS, just want to write the code with the text software and compile with CL, and then use the link links. Just after I've written the simplest example, it doesn't compile. The co

; LONG LParam;} Stlong;//definition of callback functionBOOL CALLBACK Enumwindowsproc (HWND hwnd, LPARAM LPARAM) {Stlong*pdlong = (stlong*) LParam; BOOL benable= (BOOL) pdlong->LParam;if(hwnd! = (HWND) pdlong->WParam) EnableWindow (hwnd, benable);//if the top-level window handle that is currently enumerated is different from the extra information passed by the keynote function (Enumwindos function) to do the specified top-level window handle, then the related enable or enable deactivation operat

Original Design:For the sake of security, the company wants to implement an automatic login module because it does not let too many people know the password. Design Philosophy:Mainly by calling WindowsIn the API, find the target window and process, and then automatically enter the username and password saved in the database in the input box, and log on. Design steps:1. Call windowsAPI.C # use the following method to call a

Reference Calling Windows API functions in C # [Reference] For Windows system API function calls inProgramSometimes it is essential in design.Programming LanguageThe calling methods and interfaces are both standardized. The Calling methods in C # language are as follows (the following programming environment

I have a computer in my house and a windows virtual machine in my computer. I have installed a wamp for my own computer and made some api excuses. how can I connect it out? I only know that all I debug is localhost.★★★★★★But I won't use another computer to connect. how can this problem be solved? {Code ...} first... I have a computer in my house and a windows vir

Windows Recording API Learning notesstruct and function information Structural bodyWaveincapsThis structure describes the ability of a waveform audio input device.typedef struct {WORD Wmid; The manufacturer identifier of the device driver for the waveform audio input device.WORD Wpid; The product identification code for the sound input device.Mmversion vdriverversion; The version number of the device driver

The world's API viewer has been a lot, but for VBA with almost no. I myself wrote a Windows API Viewer that provides the export functionality of VBA statements and can provide MSDN link queries for more than 20,000 APIs.Environmental requirements: Windows 7.1 SP1 and above operating systems, install. Net 4.5.2 and abov

Ajax request, This is a good article to see in detail:https://jvaneyck.wordpress.com/2014/01/07/cross-domain-requests-in-javascript/3. Web ConfigThe thing that needs attention is. A space is not agreed to in value. This link string is a standard form, with many other azure link strings that can be taken:Https://www.connectionstrings.com/windows-azure/4. It is recommended to download similar FTP management tools like cloud Berry. Easy to view uploaded

One-day Windows API training (92) getopenfilename Function To open a previously saved file, you need to use the select file dialog box. In fact, there is already such a perfect conversation in the Windows API. You only need a simple call to use it, instead of writing a lot of other code. The following shows how to use

The example in this article describes the method of traversing all files and deleting them based on the Windows API implementation. Share to everyone for your reference. The specific analysis is as follows: have been learning the Windows API recently, got some fun things (a bit of a prank, please use caution) ...Here

Note: There are multiple ways to delete files (or folders) that are not authorized by the current user. Here we only discuss how to use the access control API in. Net to do the above. Other methods are not evaluated. The reason is that Windows 8 is installed and you want to uninstall it. Because Windows 8 is installed on drive F, and drive F contains other impo