Low Level Utilities

The Low Level Utilities package is a Win32 runtime package containing units and classes that are used by the other packages on my Delphi Website.  Please note that this is for Win32 Delphi 2005 projects only.

Last Updated 11th May 2006

• RAS.PAS is an import unit for the RAS functions in RASAPI32.DLL
  
  
• TWAIN.PAS is an import unit for the TWAIN functions in twain_32.dll
  
• RICHOLE.PAS is an import unit for the IRichEditOle Interface
  
• MultiLanguage_tlb.pas is an import unit for MULTLANG.DLL
• WinCrypt.pas is an import unit for the Windows Encryption APIs
  
  
• GraphFlip contains simple functions to quickly rotate 24bpp bitmaps.
  
  
• unitExGraphics contains SystemPalette2 - a simple black and white palette, and SystemPalette256 - a web compatible 256 colour palette.
  
  
• unitCharsetMap contains functions for obtaining font charset and codepage information from ISO charset strings
  
  
• TExRegistry, derived from TRegistry provides additional registry handling capabilities, including  support for Multi String values, and importing and exporting regedit compatible .REG files
  
  
• TVirtualMemoryStream derived from TCustomMemoryStream allows you to reserve contiguous blocks of memory.
  
  
• unitMIDIGlobals contains constants, type definitions and low level functions useful for manipulating MIDI data
  
  
• TMidiTrackStream is derived from TVirtualMemoryStream and allows you to load and save track information from MIDI files.
  
  
• TVersionInfo allows you to access details held in Version Info resources from your programs
  
  
• TObjectCache allows you to store objects in a fixed-length cache
  
  
• TStreamTextReader allows you to treat streams like a text file
  
  
• TGoogleLikeStringSearcher allows you to search strings using Google-style expressions
  
  
• TTextFileReader is a fast text file reader.
  
  
• TBTree is a disk-based B-Tree index which associates an integer value with a variable length string.  Supports strings up to about 2000 characters.  Also allows sorted sequential access of strings and their associated integers.
  
  
• TDataTree is a disk-based B-Tree index which associates a variable length string value with an integer.
  
  
• TIndexTree is a disk-based B-Tree index which associates an integer value with another integer value - effectively providing a sparse array of integers.
  
  
• TBTreeIterator is a support class that allows you to quickly iterate through a TBTree
  
  
• TDataTreeIterator is a support class that allows you to quickly iterate through a TDataTree.
  
  
• TParser is a base class for syntax parsers
  
  
• TCPreProcessor is a 'C' language pre-processor, derived from the TParser class
   
• TTreeData is a class to encapsulate tree-shaped data.
   
• TXMLInternetDoc is a class to handle retrieval of XML and other internet documents in background threads.