Delphi Tutorial

EasyListview is a control that has no dependance on the Microsoft Listview control but has all the features of the latest version from Microsoft. Some of the features of the control are:

• Virtual data initialization through an event callback the first time Afflictive need the data for display (much like Virtual).
• Classes used for items that are easily descended from to add custom data
• Grouping
• Expandable groups
• Custom Expand/Collapse images
• All the views of the Microsoft version 6.0 common control
  • Large Icon view
  • Small Icon View
  • Report View
  • Tile View
  • Thumbnail View
  • and the ability to define new custom views easily
• User overrideable Icon/Thumbnail extraction
• Unicode enabled
• Implements a novel scheme for item, group and column objects. When adding objects to the control you may choose from
  • Objects that query their data (captions, images, etc) though interfaces
  • Objects that query their data through callbacks on the EasyListview
  • Objects that store their data internally (such as design time objects)
  • Objects that store their data defined by the developer (custom object)
• Built in support for OLE Drag and Drop
• Built in support for OLE Drag and Drop drag images
• Built in support for VCL Drag and Drop
• Built in support for autoscrolling during Drag Drop
• Flicker free painting to the canvas
• Fully customizable Unicode hints, including custom drawn
• Alpha blended selection rectangle
• Ability to have invisible items, groups and columns
• Checkbox support for items, groups, and columns
• Support for Alpha blended selection of items
• Support for round rectangles for selection
• Support for Grouped Selections
• Support for XP themes

Continue Reading »

SQLMemTable is a simple and fast in-memory table and query for Delphi and C++ Builder. SQLMemTable includes three visual components:

• TSQLMemTable which is a fast and easy in-memory TTable replacement;
• TSQLMemQuery that provides a subset of SQL’92 operators;
• TSQLMemBatchMove which is very close to TBatchMove and supports almost all of its functionality.

SQLMemTable does not require BDE and provides all the TTable functions such as master / detail relationship, filtering, searching, sorting, blob fields, key and range methods, as well as some advanced features like blob fields compression and Unicode support.

Continue Reading »

The product is a Native OLE DB provider for access to all versions of InterBase and Firebird SQL-servers. Using IBProvider, you can create applications based on:

• All versions of Microsoft Visual Studio (5.x, 6.x, 7.x) including Microsoft Visual Studio .Net 2005, ADO.Net 2.0.
• C++ Builder and Delphi.
• Microsoft Office (including Microsoft Access) through the Visual Basic for Applications (VBA).
• ASP and ASP.Net for Web applications development.
• MS SQL Linked server and Business Intelligence (Intergartion, Reporting, Analisys services).

Continue Reading »

Database Access Components for SQLite: TASQLiteDB, TASQLiteQuery, TASQLiteTable, TASQLiteUpdateSQL.

Continue Reading »

FastCube enables to create various reports and diagrams instantly irrespective of the database size.

• FastCube is a handy tool for efficient analytical data arrays handling.
• FastCube usage for report building does not require programmer’s high skill level.
• You can build FastCube into your applications created in Delphi or Lazarus environments by way of components’ set.
• Connection to any datasource which supports “TDataSet” interface.
• There is an opportunity to build ready-made templates for the cube and to prohibit user’s scheme modification.
• You can export cube’s cutoff into Excel, Word and HTML.
• All cube’s settings may be performed both by program and a user.

Continue Reading »

TXLSFile is a Borland Delphi library for reading and writing of Microsoft Excel XLS files
It is based on direct reading and writing of files, and works without OLE Automation with Microsoft Excel.

VB and C++ developers may use OLE XLSFile COM objects library.

Continue Reading »

Collection of routines designed to simplify work with Win32 API.

It contains more than 100 functions and procedures, some documented and some not. You can always read the source (and most of them are trivial to understand).

Continue Reading »

madExcept was built to help you locating crashes in your software. Whenever there’s a crash/exception in your program, madExcept will automatically catch it, analyze it, collect lots of useful information, and give the end user the possibility to send you a full bug report.

Some facts:

• no need to distribute additional files, cause madExcept is fully linked into your executable
• the size of your executable file grows only by some percent (usually single digit)
• you don’t need to change a single line of code in your project
• there’s no performance loss, as long as no exception occurs
• full support for multi threaded applications
• full support for third party translation tools
• full support for third party protection/compression tools
• email, web upload and printing functionality included
• free for non-commercial usage, inexpensive for commercial usage

Continue Reading »

Do you need to write a multithreaded applications ? Are you annoyed of writing lines and lines of code for threads synchronization and CriticalSections for data protection ? Would you believe that the thread is just a click away ? Well here it is, the TBMThread is a native VCL component implementing everything you do need to create the thread and the synchronization, just dropping the component on the form. Sounds great, right ? And it’s not all. Here is the Thread group now. Just set couple of therads to point to one and the same group and you can control and monitor all of them. Well this is a beta version. Even more fun is ahead. So enjoy. Does have a component package.

Continue Reading »

Various TList descendants and TList-compatible classes.

• TGpIntegerList is a TList-compatible class used to store integers.
• TGpIntegerObjectList is a TGpIntegerList descendant used to store integers and associated objects.
• TGpCountedIntegerList is a TGpIntegerList descendant used to store pairs of 32-bit integers.
• TGpInt64List is a TList-compatible class used to store int64 numbers.
• TGpInt64ObjectList is a TGpInt64List descendant used to store int64 numbers and associated objects.
• TGpCountedInt64List is a TGpInt64List descendant used to store int64 numbers and associated 64-bit integers.
• TGpCountedStringList is a TStringList descendant that has each string item associated with an integer counter (internally stored in the Objects property).
• TGpTMethodList is a list of TMethod records.
• TGpClassList is a list of (class name, class type) pairs.
• TGpObjectRingBuffer is a fixed-sized ring buffer of TObject references.
• TGpObjectMap is one-dimensional array, indexed by objects and containing objects.
• TGpObjectObjectMap is two-dimensional array, indexed by objects and containing objects.
• TGpDoublyLinkedList is doubly-linked list of TGpDoublyLinkedListObject descendants.

Continue Reading »