The access between documents, views, and frameworks in MFC has been a common topic, but I don't think there are any detailed descriptions.
For those with poor English, I checked some blogs and summarized them! I hope it will be helpful to people like me!I:1: for SDIProgramThe main framework window is the document box window (if you do not know this, you need to check the composition of the single document under MFC ).The following is a single document.Example: how to
How to obtain the login user name for WindowsKeyword: Get login username GetUserName wtsquerysessioninformationGenerally, you can use the GetUserName (or getusernameex) function to obtain the current login username (but not always get it, which will be analyzed below). This system function is available in Win95, WINNT, and all subsequent operating systems. Code As follows:Bool csecuritytool: getcurrprocessu
[MySQL] methods for obtaining metadata MySQL provides three methods for obtaining metadata of database objects: 1) show Statement 2) query related tables from INFORMATION_SCHEMA database 3) command line program, for example, mysqlshow and mysqldump use the SHOW statement to obtain metadata. MySQL uses the show statement to obtain metadata.
[MySQL] methods for obtaining metadata MySQL provides three methods
Obtain the php code of the url address of the current page. Obtain the php code of the url address of the current page. The first is a method for obtaining a URL without parameters. The second is to obtain the complete URL function. if you are looking for the url parameter code. Obtain the url of the current page to
I. Ideas (mainly used in LAN)
It is easy to obtain the Client IP address through the Web. It can be parsed from the datagram (Request object) sent by the client to the web server. However, in actual application, the proxy server must be considered, router forwarding and so on.
The process of obtaining a MAC address is complex. Because the request object sent from the client to the server does not contain the MAC address, two methods are provided to
In actual development, we often need to obtain an html element on the page and dynamically update the style and content attributes of the element.So how can we get these elements to be updated? There are many methods to obtain these nodes using JavaScript. Below are some methods to summarize.1. obtain from the document Node:(1) document. getElementById (elementId
This method is not efficient. If it is used in the WEB, you can use this method if it is rarely used. If it is commonly used, it is recommended to use the IP library.Copy codeThe Code is as follows:# Region # obtain the real IP address and location details/// /// Obtain the real IP address and location details (Porschev)/// /// Public string GetIpDetails (){String url = "http://www.ip138.com/ips8.asp"; // s
Article Title: how to obtain cpu utilization in linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
"The proc file system is a pseudo file system, which only exists in the memory and does not occupy the external storage space. It provides interfaces for accessing system kernel data in the form of a file system.
following types:
Window Management
Universal window control
Shell features
Graphical Device Interface
System Service
International features
NETWORK SERVICE
A brief discussion on how to obtain the window handle and what functions are available! Applicable to VC and BCB.
First, let's get familiar with some Win32 API functions that get the handle, then briefly talk about their usage, and finally introduce the specific application.
Available Win32 API f
Java uses the calendar class to get the specified date
The acquisition of a specified date is based on the number of days when the specified date differs from the current date, and then sets the value of calendar. day_of_month using the set method.
Calendar Cal = calendar. getinstance ();
Cal. Set (calendar. day_of_month, Cal. Get (calendar. day_of_month)-dayplus );
(Dayplus indicates the number of days when the specified date differs from the current date)
If no set is performed, the system ti
Obtain the structure information of a heterogeneous database using VC ++
Abstract: Based on the introduction of ODBC technology, This paper combines MFC and ODBC APIs to create two custom classes to obtain the structure information of any database with different configuration types.
Keywords: ODBC, MFC, heterogeneous database, record set
I. Question proposal
With the rapid development of database technology
At that time, the video length was obtained using a common method on the Internet to obtain the flv video file length. However, this method only supports flv videos, the value obtained from videos in other formats is very poor. at that time, the video length was obtained using the common method on the Internet to obtain the flv video file length. However, this method only supports flv videos, the value obta
In the past few days, I am working on the mail sending function. Considering uploading files to the server, there will be a lot of files slowly, so the. NET saveas function is not used, but in the form of file streams.
To use a file stream, you need to obtain the absolute path of the File Uploaded by the client. The problem is that due to security settings in each browser, IE7/8/FF/GG, the uploaded file does not show the full path, GG and FF only show
In actual database applications, we often need to get the inserted flag value to write data into the relevant table. But what we usually get is the value we need?Sometimes we use select @ identity to obtain the value we just inserted, such as the following code
Code 1:Use tempdbIf exists (select * From SYS. objects where object_id = object_id (n' [test1] ') and type in (n'u '))Drop table [test1]GoCreate Table test1(Id int identity (1, 1 ),Content nvar
Nginx performs load CDN acceleration to obtain the real ip address. when nginx does load to obtain the real ip address without using cdn, nginx configuration is as follows: Java code proxy_set_headerHost $ host; proxy_set_headerX-Real-IP $ remote _... nginx performs load CDN acceleration to obtain the real ip address. when nginx does load to
Body: Obtain all tables in the database
After logging out of this blog, I was noticed by everyone. Among them, "shengguojun" suggested that using the stored procedure "sp_tables" can also be used to achieve this goal. I have perfected this blog.
In many cases, we need to list all the tables in the specified database. When using C # for software development, what methods can we achieve this goal? I have summarized this in the following 6 ways to achie
This article is a series of system application articles for the "Personal Computer History cleanup software" project.Front"C # clearing Cookies, temporary IE files, and history of System Applications"I have explained how to use rundll32.exe to run dll files to clear the IE cache. There are also many ways to delete these files on the Internet, but how can I obtain the historical website records recently viewed in IE and the URLs entered in the address
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