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Version: 2026

Analysis: Describing data files
The analysis is used to define the structure of data files used by the project......
<Source>.ImportHF55 (Function)
Imports a Hyper File 5.5 file into an HFSQL Classic file.
HImportHF55 (Function)
Imports a Hyper File 5.5 file into an HFSQL Classic file.
Background download
Starting with version 27, files can be downloaded in the background, using the system download manager......
Managing HFSQL Classic data files
The HFSQL Control Center allows you to fully manage HFSQL Classic data files......
HCheckIndex (Function)
Checks whether the data found in the index file (.NDX file) properly refers the data found in the data file (.FIC file).
<Source>.CheckIndex (Function)
Checks whether the data found in the index file (.NDX file) properly refers the data found in the data file (.FIC file).
15. Creating the executable in practice
Creating the executable in practice...
RepeatableReadSupported (Property)
The RepeatableReadSupported property is used to: Determine if the data file (defined in the data model editor or programmatically) can be used in HFSQL Client/Server in a transaction that includes a "Repeatable Read" isolation mode. Allow the use of a transaction that includes a "Repeatable Read" isolation mode for a data file (files described programmatically only)....
PageNumber (Property)
The PageNumber property is used to: get and change the number of the page displayed in an Image control ("multi-page" image files) get and change the page number of a PDF file displayed in an image control of a window get and change the page number of a PDF file displayed in the background of a report....
".STY" file: "Style sheet" file
A style sheet is a "......
HCreation (Function)
Creates an empty table (file extension ".FIC") with index file, full-text index file and memo file if required.
MCIPositionFormat (Function)
Fixes the format used to define the position in a media file (opened by MCIOpen).
<Connection variable>.FileExist (Function)
Finds out if a file exists, i.e. if it has been physically created (HCreation or HCreationIfNotFound).
MaxValue (Property)
The MaxValue property is used to: get and set the top value of a report based on a data file. get the maximum value of the current filter. get the maximum value of a data series in a chart. get and set the maximum value for some types of controls....
MinValue (Property)
The MinValue property is used to: get and set the bottom value of a report based on a data file. get the minimum value of the current filter. get the minimum value of a data series in a chart. get and set the minimum value for some types of controls....
WDMap: Adding, modifying and deleting the records of a data file
WDMap allows you to perform simple operations (addition, modification or deletion) on the records found in a data file......
WDOptimizer: Overview
The different operations that can be performed with WDOptimizer are as follows......