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481: The use of e-mail in Delphi
A mature software, e-mail support is essential, the user can click a link on the program interface with Delphi functions to achieve this, the use of very simple. First of all, the interface part of the procedure by adding uses Shellapi, because the...

482: Delphi development preview screen saver program 98
We all know that windows of the role of screen saver, and a new more and more beautiful screen saver. If win98 desktop menu choose Properties, set up on the pop-up display interface, a label is a set of screen saver. The screen on this page, there ...

483: Delphi to achieve the same type of document automatically combined
Recently bought a 900 in English learning CD-ROM, because there is no corresponding written text materials, wanted to own the CD-ROM in the extracted files, CD-ROM can be opened and found that although each has a corresponding text material in detai...

484: Delphi 8 For. NET Sneak Peek
2003 is. Net wider application of the real year, has seen a number N is to use software products. Net development, but it seems the majority are still confined to Asp.net applications, as previously not suitable for enterprise applications software ...

485: Delphi access to an alternative solution for image
In the "Delphi access to image a complete solution", it provides a DELPHI author access to JPEG, BMP images to the database solution, although it applies to ACCESS and SQL database, but it does not apply to all databases (such as PARADOX d...

486: Using Delphi to achieve dynamic access to version information
In the application level, programmers can save documents in the application or dynamic-link library file version information to determine whether a file should be installed and to determine the current conflict in the installation file. With the ver...

487: Delphi Client Access with EJB components
Keywords: COM, EJB, Distributed Component 1, an overview of CORBA,. NET, Web Service, J2EE is a distributed software system are the achievements of the structure. J2EE is superior in the simple model of CORBA, at the same time eliminating. NET on ...

488: Delphi in the application of Data Grid DBGrid
A, DBGrid in the drop-down list DBGrid grid in the realization of the drop-down list, set up in the DBGrid string PickList field list, the serial number of the initial value can DropDownRows. Information base to workers in the field of origin (stri...

489: Getting Started Delphi database controls
Here's to introduce a simple application of these controls: Specify a data source Data Control TDataSource components must be connected through the data sets. TDataSource component is in fact the role of Data Control and a bridge between data ...

490: Delphi programming under COM Technology
Software reuse is a goal pursued by the industry, there has been hope that the same architecture in a building block random "assembly" application, component object on the role act as the building blocks. The so-called component object is ...

491: Easy to use Delphi background player
Handle If we point to the desktop, which will be TMediaPlay player on the desktop. TCanvas is different and, TWinControl the Handle of the attribute is read-only, and is GetHandle static method, which shows that we have to Handle the only two ways t...

492: On TTreeView, TListView Usage
Then, affirms that a pointer to that structure: PUnitNodeInfo: ^ TUnitNodeInfo; Then take a look at the contribution to the treatment of: procedure CreateUnitTree; var TreeNode: TTreeNode; NodeInof: PUnitNodeInfo; begin ... (Open the data i...

493: Delphi Programming Application Http agreement (a)
Http communications protocol must follow the agreement. For example, when a document request to send Get request, and then the server will return the data request. If you need to transfer to a breakpoint, then the first to send HEAD / requests, whic...

494: Delphi complete solution to access images
Related to image data for database applications, image data access technology is a key. Due to the lack of technical documentation and demonstration DEMO routine, for which I searched in the online information, and some simply can not be used, some ...

495: Analysis of XML in the Delphi Programming
XML (eXtensible Markup Language Extensible Markup Language) in the category in recent years, the information magazine, the website is the most eye-catching is the word. Information products of various sizes are falling over each and its relationship...

496: Using Delphi to achieve a hidden IP address
Second, IP header structure We know, TCP / IP network data through all data encapsulated in IP packets sent over the Internet in the Internet, that is, to build a package that contains the IP header and data IP datagram. In general, the network sof...

497: Delphi object-oriented programming of the 20 rules
Rules: In order to create a category for each unit (One Class, One Unit) Please always remember this: private class (private) and protection (protected) only the part of other types of cells and the process (procedure) is hidden. Therefore, if you ...

498: Delphi in the Wrapper design pattern
Wrapper design pattern can modify a class into another type of interface required to interface, and then those who have because of the type of interface is not compatible to work together. In Delphi, in order to allow two classes to support the sam...

499: Delphi used to upgrade software online
Used by the general anti-virus software, all know that to start the procedure often asked already have the new version online, and whether or not to upgrade, such as tips, is now a growing number of software to support online upgrade, do you want to...

500: Visit registry Delphi Programming
Windows system registry is a huge database, which stores the system hardware, software and user information. Appropriate parameter values to modify the registry, you can improve system performance. Changes to the registry there are usually two ways:...


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