Code maintenance costs far exceed development costs

In general, functional requirements determine the business architecture, non-functional requirements determine the technical architecture, and change cases determine the scope of the architecture. Software design can be successful only when it is

Call custom resources in a program or DLL

Taking the two-step resource as an example, you can save any data in the resource type and package the. exe file. Hrsrc hres = NULL; Hglobal hresdata = NULL; DWORD dwsize = 0; Byte * psrc = NULL; Hinstance hinst = afxfindresourcehandle

Socket programming server and client code

// Server socket Program creates a main program to receive messages from the client. Public void serversocket () { socket listener = new socket (addressfamily. interNetwork, sockettype. stream, protocoltype. TCP); // (1) first define a socket on

Make the control invisible during running

Make the control invisible during runningHttp://msdn.microsoft.com/library/chs/default.asp? Url =/library/CHS/vbcon/html/vbtskmakingyourcontrolinvisibleatruntime. asp Sometimes you may need to create a user control that is invisible at runtime. For

The aspnetpager paging control lacks an object solution.

Aspnetpager is a good paging control, but it has a bug. I use version 6.0: When there is not one page of data, bind the page and enter a value in the jump page text box. The "Missing Object" JS error will pop up. Or the first query is bound to

Difference between get and post in HTML

1. Get is to get data from the server, and post is to send data to the server.2. get adds the parameter data queue to the URL referred to by the Action attribute of the submission form. The values correspond to each field in the form one by one. Add

Write a devexpress application in WPF

I have been busy for a while and haven't updated my blog for a long time! Considering the dev control that really gave me a headache a while ago, I decided to downgrade it step by step from this blog! Let's introduce Dev first (definitely not a

Dynamically changing the connection string in the Microsoft enterprise database, and then switching to the new database query

 The Microsoft enterprise database can be connected to different databases. (Winform test successful) Database DB = databasefactory. createdatabase (); During running, different database instances are created based on different user configurations.

Stream XML Parsing

Stream, streamreader, streamwriter You can directly add a path to the read/write statement.Streamreader:Streamreader sr = new streamreader ("D: // A. xml ");String result = Sr. readtoend (); Streamwriter write stream:Using (streamwriter Sw = new

Ckeditor and activexupimg OCX source code

I have posted a blog post on ckeditor uploading files. One plug-in is used for ActiveX developed by Delphi. The OCX code is first sent, with few codes, however, you need to find a tool to generate it. Because my code is also in the company, the

Use embedded resources in. net

Http://www.cnblogs.com/mmbo/archive/2010/02/05/1664454.html There are two ways to embed resources (bitmap, icon, or cursor) in DOTNET. One is to directly add the resource file to the project as an embedded resource, in the code, use the

How does sendkeys send key combinations? .

  Usage: Using system. Windows. forms; // Add namespace reference { Sendkeys. sendwait ("{down }"); Ppt.ppt _ sendKey ("+ {F5}"); // full screen represents a combination of Shift + F5: the plus sign directly represents the Shift key Ppt.ppt _

Access cannot read records; no data permission is available on 'msysobjects'

When I read the system table msysobjects in access, the following error occurs: The record cannot be read; msysobjects has no permission to read data. Prompt, the statement is: Select name from msysobjects where type = 1 and flags = 0, and this

Listview beautification: black line problem

1. When the listview is dragged, the background image disappears into a black background. After the drag is completed, our own background image will be displayed. 2. There is a black shadow on the top and bottom of the listview. 3. Set an image as

There are a few good ideas, mark them

1. array traversal to adapt to the negative I. String [] strings = {"Chapter 1", "Chapter 2", "Chapter 3", "Chapter 4", "Chapter 5", "Chapter 6", "Chapter 7 ", "Chapter 8", "Chapter 9"}; int totalnum = 9; private void shownext () {I ++; viewelements

. Net webform and winform methods for reading xml configuration files

Webform reading: String. Format (sqlconfig. getsql ("sqlserver. querytableinfo"), "syslog "); /// /// Read the specified SQL/// /// SQL name /// SQL string Public static string getsql (string key){String SQL = string. empty;Try{String [] sqllayers

Wait for the end of the specified Thread

// This function is used to raise the program permission so that it can wait for the process to end Bool cdsumdlg: enabledebugprivilege () { Handle htoken; Bool bsucceed = false; If (openprocesstoken (getcurrentprocess (), token_adjust_privileges, &

Data sharing between processes through memory ing files

The following method must ensure that process 2 is fast to start and read before process 1 does not close the memory ing file. Sleep (1000) reads data after process 2 is started. // Process 1 Handle hmapfile;Lpctstr pbuf; Hmapfile =

APIS that make the VC dialog form transparent

Article: VC Knowledge Base http://www.vckbase.com/document/viewdoc? Id = 333I. backgroundWe envy the transparency of flashget. in traditional Windows applications, to achieve a translucent effect, it is very troublesome to process the wm_paint

Download files through proxy

A piece of code Excerpted from the csdn forum post // Download HTTP file through proxyCstring gehttpfile (const char * URL){Cstring szcontent;Char strproxylist [max_path], strusername [64], strpassword [64];// In this case "proxya" is the proxy

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