ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL data file.
WDHFDiff: Overview
WDHFDiff is a tool used to compare HFSQL data files......
WDLog: Restoring a data file from its log
WDLog is used to apply to a backup of a data file the different operations saved in the log of this file......
Constants used by properties associated with windows, reports, pages and controls
List of constants used by properties associated with windows, reports, pages and controls....
File Description (Type of variable)
The File Description variable is used to programmatically describe data files.
NbThumbnail (Property)
The NbThumbnail property is used to get the number of thumbnails generated for an item.
HIndex (Function)
Rebuilds the file index (".NDX" file).
Describing the replicated files (ReplicEdit)
A replication includes one or more data files......
Universal replication
The purpose of universal replication is to keep several databases synchronized......
<Source>.ChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL data 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).
<Source>.ChangeConnection (Function)
Dynamically changes the connection associated with a data file.
HChangeConnection (Function)
Dynamically changes the connection associated with a data file.
Compressing frames (DSL, 3G, Edge, VPN, ...)
A frame is a packet ot data that flows through the network......
HFSQL Client/Server database: Recommendations
This help page presents the main recommendations for optimizing the security and performance of an HFSQL Client/Server database according to the constraints and desired features......
<Source>.Password (Function)
Defines the password used to create or open a data file.
HPass (Function)
Defines the password used to create or open a data file.
zipInfoFile (Function)
Returns the characteristics of a file found an archive: The name of the file and its stored path. The initial size of the file. The compressed size of file. The date and time of file creation. The date and time of file modification. The date and time of file access. The file attributes. The file encryption mode....
<zipArchive variable>.InfoFile (Function)
Returns the characteristics of a file found an archive: The name of the file and its stored path. The initial size of the file. The compressed size of file. The date and time of file creation. The date and time of file modification. The date and time of file access. The file attributes. The file encryption mode....
HFSQL data files exceeding 2 gigabytes
By default, the HFSQL engine allows you to manage large data files (up to 2 gigabytes)......
HErrorPassword (Function)
After the execution of a read or write function in a data file, used to find out whether an error caused by a wrong password occurred on this data file.
<Connection variable>.DeleteLink (Function)
Deletes an integrity rule between two data files on the server.
Structure of log files (HFSQL Classic)
The following files are automatically created when logging an HFSQL Classic data file......
WDConver : Overview
WDConver is a tool used to convert data to an HFSQL Classic data file from......
MaxThumbnailWidth (Property)
The MaxThumbnailWidth property is used to get or change the maximum width of a thumbnail of an Image item (binary memo).