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1. Introduction We often ask the question ": What makes Delphi so good?" And "Why do I prefer Delphi compared to other programming tools?" Wait a minute. In short, it's high efficiency. The factors that determine the efficiency of a software development tool boil down to the following five points: the performance of the ① visual development environment. ② the speed of the compiler and the efficiency of the
; recently want to use Delphi to do a Apache+mysql integration environment to use the following knowledge>>delphi call the cmd file with this function>>winexec () function>> Example: I'm going to call ' E:\call.cmd this file>>winexec (' E:\call.cmd ', sw_hide);>>sw_show indicates that the running program window is activated at its current size and displayed.>>> L
Delphi Basic Development Skills◇[delphi] Network Neighbors copy filesUses SHELLAPI;CopyFile (Pchar (' Newfile.txt '), Pchar ('//computername/direction/targer.txt '), false);◇[delphi] produces a mouse drag effectImplemented through MouseMove events, DragOver events, EndDrag events, such as label on a panel:var Xpanel,ypanel,xlabel,ylabel:integer;Panel's MouseMove
Torderf ';Open;EndClientdataset1.active:=true;EndTo publish a program:1. Midas.dll into the C:\WINDOWS\system32. In execution, execute the regsvr32 C:\WINDOWS\system32\midas.dll. Registered2.EXE program must have Dbexpint.dll, GDS32 in the same directory. DLL two files.3. FBWin32.exe must be installed on the computer.DB2 Transaction Processing Method (Delphi version)1. Reference UnitUses dbxpress;2. Defining transactionsVarG_td:ttransactiondesc;//
countries the where area >8000000 data. File:6 Writing data We can read the data and we can write the data. How do we do that? Or take the countries table as an example.VarSqlitedb:tsqlitedatabase;BeginSqlitedb:=tsqlitedatabase.create (' database.db ');Sqlitedb.execsql (' Insert into countries (NAME,CAPITAL,AREA,POP,PCI) VALUES ("China", "Beijing", 9600000,1500000000,6000) ');Sqlitedb.free;EndSimilarly, the Update method of the data can be implemented in this way. As you can see here, the chara
Some of the early programming languages with OOP performance, such as C++,pascal,smalltalk, although with object-oriented features, but not easy to draw visual objects, and user interaction is poor, programmers still have to write a lot of code. The introduction of Delphi fills in this blank. You don't have to set up your own objects, just add the complete code to the program framework provided, and the rest is given to
{$ Ifdef ver80}-Delphi 1 {$ ifdef ver90}-Delphi 2 {$ ifdef ver100}-Delphi 3 {$ ifdef ver120}-Delphi 4 {$ ifdef ver130}-Delphi 5 {$ ifdef ver140}-Delphi 6 {$ ifdef ver150}-Delphi 7 {$ if
The CompilerVersion constant identifies the internal version number of the Delphi compiler. It is defined in the System unit and may be referenced either in code just as any other constant:If compilerversion = scompilername: = ' Delphi 2009 ';or in conditional compiler expressions:{$if compilerversion >}//Delphi or later {$ifend}Technical CommentsThe CompilerVers
1 Only one component of a DCU file. The DCU file is a compiled unit file, so the component is the author does not want to publish the source code. In general, the author must indicate which version of Delphi This component is suitable for, and if the version is incorrect, an error will occur at the time of installation. It is because there is no source code, to the user inconvenience, that is, once the Delphi
Http://www.delphisources.ru/pages/faq/master-delphi-7/content/LiB0104.htmlBeside this introductory example, you can do a few extra things with the dynamic libraries in Delphi. You can use some new compiler directives to affect the name of the library, you can call a DLL at run time, and you can pl Ace entire Delphi forms inside a dynamic library. These is the top
How to use mysql in vc and delphi? how to use mysql in vc, delphi, vb and other programs? (use of mysql odbc driver) we often encounter such problems, how can I use mysql databases in non-web programs or asp programs? There are tw
----- Old Gill -------- As a rad tool on Windows, Delphi attracts many software companies to develop application-layer software. In addition to the efficiency of rad, the openness of Delphi (open source code, easy to go deep into the underlying layer) makes a lot of developers feel at ease. Delphi, as a 32-bit compiler on an excellent Windows platform, is widely
Original: http://blog.sina.com.cn/s/blog_9c47a15201015rew.htmlNote: This digest since http://blog.csdn.net/haiou327/article/details/5937171, reprint please specify;Good things to share with youJust contact with the Delphi friend, probably the most interesting is its rich, powerful VCL (visual Component Library). It's exciting to just throw a few artifacts into the form, and not even write code, to easily make a useful program. However, VCL is only a s
First, the string before Delphi 2009 (Unicode is not supported):The string before Delphi 2009 is divided into 3 types: shortstring, ansistring, widestring."Shortstring"Shortstring is an older Pascal string format that can hold up to 255 bytes of characters. When we declare a variable of type shortstring, Delphi automatically applies 256 bytes of memory space to t
Reproduced to: http://tech.ccidnet.com/art/1077/20040523/643853_1.html If you are new to Delphi, you may be most interested in its rich and powerful VCL (visual component library ). It's exciting to simply throw several components into the form and easily create a program with practical value without having to write code. However, VCL is only a small part of Delphi, and
1. Introduction of various files in Delphi and their relationships. OXC: ActiveX control. It will be installed in a component package dpk. in imports, three files are created: Pas, DCU, and DCR. DLL: the dynamic link library file. Its exports can be written in either the project file or the unit file. There is no difference. Dpk: component package file, which is composed of multiple components (PAS. BPL: the package file is actually a DLL file, but so
Tags: images 1.5 windows desc tar dev rar net codeDescription:Sqldirect Component Library is a light-weight Borland the Database Engine replacement for Borland/codegear/embarcadero delphi/ C++builder 10.1 Berlin. It uses the native application programming interfaces to access to the following sql-servers:IBM DB2 Universal DatabaseInformix ServerInterbase/firebird ServerMicrosoft SQL ServerMySQL ServerOracle Database ServerPostgreSQL ServerSQLite Datab
http://115.com/file/bh07akff# Delphi Application Development Complete manual. rar http://115.com/file/e6rn2ett# Delphi Information System Development examples selected. rar http://115.com/file/aqagbvdm# Delphi Database System Development complete manual. rar http://115.com/file/clohvfea# Delphi Database System Developm
◇ [Delphi] copying files by network neighbors Uses shellapi; Copyfile(pchar('newfile.txt '), pchar (' // computername/ction/targer.txt '), false ); ◇ [Delphi] results in mouse draggingImplemented through the mousemove event, dragover event, and enddrag event, such as the label on the panel:VaR xpanel, ypanel, xlabel, ylabel: integer;Panel mousemove event: xpanel: = x; ypanel: = y;Dragover event of panel
Http://www.delphifeeds.com/go/f/86025? Utm_source = feedburner utm_medium = Email utm_campaign = feed % 3A + delphifeeds + % 28delphifeeds.com % 29 Btmemorymodule: http://code.google.com/p/memorymodule/downloads/list Load a DLL from a resource directly from memory in Delphi applicationsuse DLL from resources (RES) without storing it on the hard-disk first By Zarko Gajic, about.com Guide Article idea by Mark E. MossThe article how to store a DLL ins
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